Publications

Results: 368

COVID-19 Pandemic Associated Declines and Subsequent Increases in Hepatitis C Virus Treatment Prescriptions in Los Angeles County.
Clin Infect Dis. 2023 Jan 31;. doi: 10.1093/cid/ciad050. Epub 2023 Jan 31. PubMed PMID: 36718550;

The Impact of the COVID-19 Pandemic on Nicotine Use: What Have We Learned?
Nicotine Tob Res. 2023 Jan 5;25(2):175-176. doi: 10.1093/ntr/ntac265. PubMed PMID: 36478086;

Perinatal Outcomes During vs. Prior to the COVID-19 Pandemic and the Role of Maternal Depression and Perceived Stress: A Report from the ECHO Program.
Am J Perinatol. 2023 Feb 13;. doi: 10.1055/a-2033-5610. Epub 2023 Feb 13. PubMed PMID: 36781160;

Correlates of COVID-19 vaccination status among college students.
J Am Coll Health. 2023 Jan 3;:1-3. doi: 10.1080/07448481.2022.2157216. Epub 2023 Jan 3. PubMed PMID: 36596228;

"I Can't Take This Shitty Quarantine Anymore": Sexual Behavior and PrEP Use Among Young Men Who Have Sex with Men and Transgender Women in Brazil During the COVID-19 Pandemic.
Arch Sex Behav. 2023 Feb;52(2):689-702. doi: 10.1007/s10508-022-02364-x. Epub 2022 Jul 26. PubMed PMID: 35881251; PubMed Central PMCID: PMC9321283.

Patient Care Satisfaction and Emergency Room Utilization among Young Adult Colorectal Cancer Survivors during the SARS-CoV-2 Pandemic: Lessons Learned.
J Clin Med. 2023 Jan 6;12(2). doi: 10.3390/jcm12020469. Epub 2023 Jan 6. PubMed PMID: 36675396; PubMed Central PMCID: PMC9862726.

Correlates of COVID-19 vaccination status among college students.
J Am Coll Health. 2023 Jan 3;:1-3. doi: 10.1080/07448481.2022.2157216. Epub 2023 Jan 3. PubMed PMID: 36596228;

The Independent Effect of COVID-19 Vaccinations and Air Pollution Exposure on Risk of COVID-19 Hospitalizations in Southern California.
Am J Respir Crit Care Med. 2023 Jan 15;207(2):218-221. doi: 10.1164/rccm.202206-1123LE. PubMed PMID: 36125979; PubMed Central PMCID: PMC9893324.

Quantification of Severe Acute Respiratory Syndrome Coronavirus 2 Binding Antibody Levels To Assess Infection and Vaccine-Induced Immunity Using WHO Standards.
Microbiol Spectr. 2023 Feb 14;11(1):e0370922. doi: 10.1128/spectrum.03709-22. Epub 2023 Jan 23. PubMed PMID: 36688648; PubMed Central PMCID: PMC9927585.

Correlates of COVID-19 vaccination status among college students.
J Am Coll Health. 2023 Jan 3;:1-3. doi: 10.1080/07448481.2022.2157216. Epub 2023 Jan 3. PubMed PMID: 36596228;

The Role of Anti-Racist Community-Partnered Praxis in Implementing Restorative Circles Within Marginalized Communities in Southern California During the COVID-19 Pandemic.
Health Promot Pract. 2023 Mar;24(2):232-243. doi: 10.1177/15248399221132581. Epub 2022 Nov 23. PubMed PMID: 36419256; PubMed Central PMCID: PMC9703012.

Correlates of COVID-19 vaccination status among college students.
J Am Coll Health. 2023 Jan 3;:1-3. doi: 10.1080/07448481.2022.2157216. Epub 2023 Jan 3. PubMed PMID: 36596228;

A Culturally Tailored Narrative Decreased Resistance to COVID-19 Vaccination Among Latinas.
Am J Health Promot. 2023 Mar;37(3):381-385. doi: 10.1177/08901171221129538. Epub 2022 Sep 26. PubMed PMID: 36154487; PubMed Central PMCID: PMC9513510.

Resilience level and its association with maladaptive coping behaviours in the COVID-19 pandemic: a global survey of the general populations.
Global Health. 2023 Jan 3;19(1):1. doi: 10.1186/s12992-022-00903-8. Epub 2023 Jan 3. PubMed PMID: 36597129; PubMed Central PMCID: PMC9808687.

Trust in science and scientists among university students, staff, and faculty of a large, diverse university in Los Angeles during the COVID-19 pandemic, the Trojan Pandemic Response Initiative.
BMC Public Health. 2023 Mar 30;23(1):601. doi: 10.1186/s12889-023-15533-x. Epub 2023 Mar 30. PubMed PMID: 36997945;

Impact of sedentary behavior and emotional support on prenatal psychological distress and birth outcomes during the COVID-19 pandemic.
Psychol Med. 2023 Mar 8;:1-14. doi: 10.1017/S0033291723000314. Epub 2023 Mar 8. PubMed PMID: 36883203;

Mental Health and Physical Complaints of German Children and Adolescents before and during the COVID-19 Pandemic: A Repeated Cross-Sectional Study.
Int J Environ Res Public Health. 2023 Mar 2;20(5). doi: 10.3390/ijerph20054478. Epub 2023 Mar 2. PubMed PMID: 36901485; PubMed Central PMCID: PMC10001698.

Psychosocial impact of COVID-19 on caregivers and adolescents and young adult survivors of childhood cancer.
Pediatr Blood Cancer. 2023 Mar 23;:e30291. doi: 10.1002/pbc.30291. Epub 2023 Mar 23. PubMed PMID: 36951413;

Correlates of COVID-19 vaccination status among college students.
J Am Coll Health. 2023 Jan 3;:1-3. doi: 10.1080/07448481.2022.2157216. Epub 2023 Jan 3. PubMed PMID: 36596228;

Surveillance of Severe Acute Respiratory Syndrome Coronavirus 2 and Variants Using Digital Droplet Polymerase Chain Reaction at a Large University and Healthcare System in California.
Open Forum Infect Dis. 2023 Apr;10(4):ofad147. doi: 10.1093/ofid/ofad147. Epub 2023 Mar 18. PubMed PMID: 37089777; PubMed Central PMCID: PMC10117372.

Unique immune and inflammatory cytokine profiles may define long COVID syndrome.
Clin Exp Med. 2023 Apr 16;:1-6. doi: 10.1007/s10238-023-01065-6. Epub 2023 Apr 16. PubMed PMID: 37061998; PubMed Central PMCID: PMC10105906.

Investigating the Comparative Effectiveness of Place-Based and Scatter-Site Permanent Supportive Housing for People Experiencing Homelessness During the COVID-19 Pandemic: Protocols for a Mixed Methods, Prospective Longitudinal Study.
JMIR Res Protoc. 2023 Apr 28;12:e46782. doi: 10.2196/46782. Epub 2023 Apr 28. PubMed PMID: 37115590; PubMed Central PMCID: PMC10150866.

Interrupted Time Series Analysis: Patient Characteristics and Rates of Opioid-Use-Disorder-Related Emergency Department Visits in the Los Angeles County Public Hospital System during COVID-19.
Healthcare (Basel). 2023 Mar 29;11(7). doi: 10.3390/healthcare11070979. Epub 2023 Mar 29. PubMed PMID: 37046906; PubMed Central PMCID: PMC10093818.

Evaluation of a COVID-19 rapid antigen testing program among student athletes in a public high school district.
Eval Program Plann. 2023 Mar 22;98:102280. doi: 10.1016/j.evalprogplan.2023.102280. Epub 2023 Mar 22. PubMed PMID: 36996640; PubMed Central PMCID: PMC10032046.

Impact of early COVID-19-related challenges on pediatric researchers: an exploratory analysis.
Pediatr Res. 2023 Apr 19;:1-4. doi: 10.1038/s41390-023-02601-6. Epub 2023 Apr 19. PubMed PMID: 37076691; PubMed Central PMCID: PMC10113714.

Impact of the COVID-19 pandemic on young people with and without pre-existing mental health problems.
Sci Rep. 2023 Apr 14;13(1):6111. doi: 10.1038/s41598-023-32918-5. Epub 2023 Apr 14. PubMed PMID: 37059814; PubMed Central PMCID: PMC10103038.

Factors associated with weight gain during COVID-19 pandemic: A global study.
PLoS One. 2023;18(4):e0284283. doi: 10.1371/journal.pone.0284283. Epub 2023 Apr 20. PubMed PMID: 37079519; PubMed Central PMCID: PMC10118192.

SARS-CoV-2 viral variants can rapidly be identified for clinical decision making and population surveillance using a high-throughput digital droplet PCR assay.
Sci Rep. 2023 May 10;13(1):7612. doi: 10.1038/s41598-023-34188-7. Epub 2023 May 10. PubMed PMID: 37165019; PubMed Central PMCID: PMC10170421.

Altered Tumor Necrosis Factor Response in Neurologic Postacute SARS-CoV-2 Syndrome.
J Interferon Cytokine Res. 2023 Jun 29;. doi: 10.1089/jir.2023.0051. Epub 2023 Jun 29. PubMed PMID: 37384921;

Opportunities for understanding the COVID-19 pandemic and child health in the United States: the Environmental influences on Child Health Outcomes (ECHO) program.
Front Pediatr. 2023;11:1171214. doi: 10.3389/fped.2023.1171214. Epub 2023 Jun 15. PubMed PMID: 37397146; PubMed Central PMCID: PMC10308998.

Pain Trajectories among U.S. Veterans during COVID-19.
J Pain. 2023 Jul 4;. doi: 10.1016/j.jpain.2023.06.018. Epub 2023 Jul 4. PubMed PMID: 37414327;

COVID-19 vaccination dynamics in the US: coverage velocity and carrying capacity based on socio-demographic vulnerability indices in California's pediatric population.
Front Public Health. 2023;11:1148200. doi: 10.3389/fpubh.2023.1148200. Epub 2023 May 9. PubMed PMID: 37228717; PubMed Central PMCID: PMC10203576.

Application of Protection Motivation Theory to COVID-19 vaccination among a predominantly Hispanic sample of adolescents.
Prev Med Rep. 2023 Aug;34:102245. doi: 10.1016/j.pmedr.2023.102245. Epub 2023 May 19. PubMed PMID: 37252067; PubMed Central PMCID: PMC10197527.

The Impact of COVID-19 on cancer screening and treatment in older adults: the multiethnic cohort study.
Elife. 2023 Jun 27;12. doi: 10.7554/eLife.86562. Epub 2023 Jun 27. PubMed PMID: 37366344;

Altered Tumor Necrosis Factor Response in Neurologic Postacute SARS-CoV-2 Syndrome.
J Interferon Cytokine Res. 2023 Jun 29;. doi: 10.1089/jir.2023.0051. Epub 2023 Jun 29. PubMed PMID: 37384921;

Substance use and other factors associated with COVID-19 vaccine uptake among people at risk for or living with HIV: Findings from the C3PNO consortium.
Prev Med Rep. 2023 Oct;35:102300. doi: 10.1016/j.pmedr.2023.102300. Epub 2023 Jun 24. PubMed PMID: 37455759; PubMed Central PMCID: PMC10289823.

The impact of COVID-19 shelter-in-place policy responses on excess mortality.
Health Econ. 2023 Jul 18;. doi: 10.1002/hec.4737. Epub 2023 Jul 18. PubMed PMID: 37464737;

Cross-sectional study examining household factors associated with SARS-CoV-2 seropositivity in low-income children in Los Angeles.
BMJ Open. 2023 May 31;13(5):e070291. doi: 10.1136/bmjopen-2022-070291. Epub 2023 May 31. PubMed PMID: 37258079; PubMed Central PMCID: PMC10254815.

Causes of Death Among Medical ICU Patients With Pneumonia Due to COVID-19 in a Safety-Net Hospital.
Crit Care Explor. 2023 Jul;5(7):e0947. doi: 10.1097/CCE.0000000000000947. Epub 2023 Jul 14. PubMed PMID: 37465700; PubMed Central PMCID: PMC10351933.

Altered Tumor Necrosis Factor Response in Neurologic Postacute SARS-CoV-2 Syndrome.
J Interferon Cytokine Res. 2023 Jun 29;. doi: 10.1089/jir.2023.0051. Epub 2023 Jun 29. PubMed PMID: 37384921;

Ecological risk and protective factors for food insufficiency in Los Angeles County during the COVID-19 pandemic.
Public Health Nutr. 2023 Jul 5;:1-12. doi: 10.1017/S1368980023001337. Epub 2023 Jul 5. PubMed PMID: 37403467;

Geographic Variations in Human Mobility Patterns during the First Six Months of the COVID-19 Pandemic in California
Journal of Applied Science, 2023, 13(4), 2440

Spatial characteristics of food insecurity and food access in Los Angeles County during the COVID-19 pandemic
Food Security 2023

Health Care Utilization During the COVID-19 Pandemic Among Individuals Born Preterm.
JAMA Netw Open. 2023 Apr 3;6(4):e2310696. doi: 10.1001/jamanetworkopen.2023.10696. Epub 2023 Apr 3. PubMed PMID: 37115545; PubMed Central PMCID: PMC10148204.

Motivational Profile as a Predictor of Physical Activity Among US Adults During the Early Months of the COVID-19 Pandemic: A Daily Diary Study.
J Phys Act Health. 2023 Jul 28;:1-8. doi: 10.1123/jpah.2022-0474. Epub 2023 Jul 28. PubMed PMID: 37507118;

Geographic Variations in Human Mobility Patterns during the First Six Months of the COVID-19 Pandemic in California
Appl. Sci. 2023, 13, 2440

Geographic Variations in Human Mobility Patterns during the First Six Months of the COVID-19 Pandemic in California
Applied Sciences. 2023;13(4):2440. PMID: doi:10.3390/app13042440.

SARS-CoV-2 Case-Definitions Must Include Clinical Criteria: Reply to Kojima et al.
Clin Infect Dis. 2023 Jul 7;. doi: 10.1093/cid/ciad413. Epub 2023 Jul 7. PubMed PMID: 37417204;

Disruptions in Sexual and Reproductive Health Care Service Delivery for Immigrants during COVID-19
Women’s Health Reports 4(1): 319-327, 2023.

Sociodemographic Differences in COVID-19 Pandemic Experiences Among Families in the United States.
JAMA Netw Open. 2023 Aug 1;6(8):e2330495. doi: 10.1001/jamanetworkopen.2023.30495. Epub 2023 Aug 1. PubMed PMID: 37610749; PubMed Central PMCID: PMC10448300.

Incidence of Severe Acute Respiratory Syndrome Coronavirus-2 infection among previously infected or vaccinated employees.
Int J Infect Dis. 2022 Feb 10;. doi: 10.1016/j.ijid.2022.02.015. Epub 2022 Feb 10. PubMed PMID: 35151852; PubMed Central PMCID: PMC8828432.

Duration of COVID-19 PCR positivity for Omicron vs earlier variants.
J Clin Virol Plus. 2022 Aug;2(3):100085. doi: 10.1016/j.jcvp.2022.100085. Epub 2022 May 21. PubMed PMID: 35615055; PubMed Central PMCID: PMC9123744.

Vaccinated Individuals With Prior COVID-19 Have Lower Risk of Incident SARS-CoV-2 Infection When Compared With Vaccinated Individuals Without Prior Infection.
Open Forum Infect Dis. 2022 May;9(5):ofac166. doi: 10.1093/ofid/ofac166. Epub 2022 Apr 2. PubMed PMID: 35531380; PubMed Central PMCID: PMC9070338.

COVID-19 booster vaccine attitudes and behaviors among university students and staff in the United States: The USC Trojan pandemic research Initiative.
Prev Med Rep. 2022 Aug;28:101866. doi: 10.1016/j.pmedr.2022.101866. Epub 2022 Jun 27. PubMed PMID: 35785408; PubMed Central PMCID: PMC9235287.

Distributing Effective SARS-CoV-2 Medicines in a Timely Manner.
J Med Virol. 2022 Jul 26;. doi: 10.1002/jmv.28030. Epub 2022 Jul 26. PubMed PMID: 35883227;

A More Accurate Measurement of the Burden of Coronavirus Disease 2019 Hospitalizations.
Open Forum Infect Dis. 2022 Jul;9(7):ofac332. doi: 10.1093/ofid/ofac332. Epub 2022 Jul 5. PubMed PMID: 35891687; PubMed Central PMCID: PMC9278265.

Patterns and mediators of racial and ethnic disparities in COVID-19 vaccine hesitancy among young adults.
Prev Med. 2022 Jun;159:107077. doi: 10.1016/j.ypmed.2022.107077. Epub 2022 May 6. PubMed PMID: 35526673; PubMed Central PMCID: PMC9072749.

Sociodemographic Variation in Children's Health Behaviors During the COVID-19 Pandemic.
Child Obes. 2022 Jul 19;. doi: 10.1089/chi.2022.0085. Epub 2022 Jul 19. PubMed PMID: 35856858;

Alcohol use trajectories among U.S. adults during the first 42 weeks of the COVID-19 pandemic.
Alcohol Clin Exp Res. 2022 Jun;46(6):1062-1072. doi: 10.1111/acer.14824. Epub 2022 May 9. PubMed PMID: 35532741; PubMed Central PMCID: PMC9246926.

Examining Whether Physical Activity Location Choices Were Associated With Weekly Physical Activity Maintenance Across 13 Months of the COVID-19 Pandemic in Emerging Adults.
J Phys Act Health. 2022 May 24;:1-10. doi: 10.1123/jpah.2021-0769. Epub 2022 May 24. PubMed PMID: 35609883;

Ambient Air Pollutant Exposures and COVID-19 Severity and Mortality in a Cohort of COVID-19 Patients in Southern California.
Am J Respir Crit Care Med. 2022 May 10;. doi: 10.1164/rccm.202108-1909OC. Epub 2022 May 10. PubMed PMID: 35537137;

COVID-19 prevention behaviors, trust, and intent to vaccinate among youth at risk for HIV.
PLoS One. 2022;17(3):e0266321. doi: 10.1371/journal.pone.0266321. Epub 2022 Mar 31. PubMed PMID: 35358278; PubMed Central PMCID: PMC8970374.

Characteristics associated with COVID-19 vaccination status among staff and faculty of a large, diverse University in Los Angeles: The Trojan Pandemic Response Initiative.
Prev Med Rep. 2022 Jun;27:101802. doi: 10.1016/j.pmedr.2022.101802. Epub 2022 Apr 23. PubMed PMID: 35493961; PubMed Central PMCID: PMC9034831.

Sociodemographic Variation in Children's Health Behaviors During the COVID-19 Pandemic.
Child Obes. 2022 Jul 19;. doi: 10.1089/chi.2022.0085. Epub 2022 Jul 19. PubMed PMID: 35856858;

Changes in BMI During the COVID-19 Pandemic.
Pediatrics. 2022 Jun 30;. doi: 10.1542/peds.2022-056552. Epub 2022 Jun 30. PubMed PMID: 35768891;

Reply to: Comments on Air Pollutant Exposures and COVID-19 Severity and Mortality.
Am J Respir Crit Care Med. 2022 Jun 23;. doi: 10.1164/rccm.202206-1148LE. Epub 2022 Jun 23. PubMed PMID: 35737572;

Ambient air pollution and COVID-19 incidence during four 2020-2021 case surges.
Environ Res. 2022 May 15;208:112758. doi: 10.1016/j.envres.2022.112758. Epub 2022 Jan 19. PubMed PMID: 35063430; PubMed Central PMCID: PMC8767981.

Long-term air pollution and COVID-19 mortality rates in California: Findings from the Spring/Summer and Winter surges of COVID-19.
Environ Pollut. 2022 Jan 1;292(Pt B):118396. doi: 10.1016/j.envpol.2021.118396. Epub 2021 Oct 21. PubMed PMID: 34688723; PubMed Central PMCID: PMC8529382.

SARS-CoV-2 cycle threshold (Ct) values predict future COVID-19 cases.
J Clin Virol. 2022 Jun;150-151:105153. doi: 10.1016/j.jcv.2022.105153. Epub 2022 Apr 8. PubMed PMID: 35472751; PubMed Central PMCID: PMC8990441.

Did prioritizing essential workers help to achieve racial/ethnic equity in early COVID-19 vaccine distribution? The LA pandemic surveillance cohort study.
Am J Ind Med. 2022 Apr;65(4):231-241. doi: 10.1002/ajim.23335. Epub 2022 Feb 20. PubMed PMID: 35187706; PubMed Central PMCID: PMC9082038.

The COVID-19 pandemic and pediatric mental health: advocating for improved access and recognition.
Pediatr Res. 2022 Apr;91(5):1018-1020. doi: 10.1038/s41390-022-01952-w. Epub 2022 Jan 31. PubMed PMID: 35102301; PubMed Central PMCID: PMC8801557.

Factors associated with self-reported avoidance of harm reduction services during the COVID-19 pandemic by people who use drugs in five cities in the United States and Canada.
Drug Alcohol Depend. 2022 Jun 24;:109544. doi: 10.1016/j.drugalcdep.2022.109544. Epub 2022 Jun 24. PubMed PMID: 35779987; PubMed Central PMCID: PMC9225925.

The relationship of alcohol and other drug use during the COVID-19 pandemic among people with or at risk of HIV; A cross-sectional survey of people enrolled in Collaborating Consortium of Cohorts Producing NIDA Opportunities (C3PNO) cohorts.
Drug Alcohol Depend. 2022 Mar 3;:109382. doi: 10.1016/j.drugalcdep.2022.109382. Epub 2022 Mar 3. PubMed PMID: 35331580; PubMed Central PMCID: PMC8891146.

COVID-19 and the HIV continuum in people living with HIV enrolled in Collaborating Consortium of Cohorts Producing NIDA Opportunities (C3PNO) cohorts.
Drug Alcohol Depend. 2022 Feb 12;:109355. doi: 10.1016/j.drugalcdep.2022.109355. Epub 2022 Feb 12. PubMed PMID: 35331581; PubMed Central PMCID: PMC8837482.

Barriers to COVID-19 Vaccine Uptake in the LGBTQIA Community.
Am J Public Health. 2022 Mar;112(3):405-407. doi: 10.2105/AJPH.2021.306599. PubMed PMID: 35196061; PubMed Central PMCID: PMC8887181.

Examining the impact of social distancing and methamphetamine use on sexual risk and intimate partner violence in sexual and gender minority young adults during the COVID-19 pandemic.
Drug Alcohol Depend. 2022 Mar 1;232:109231. doi: 10.1016/j.drugalcdep.2021.109231. Epub 2021 Dec 24. PubMed PMID: 35033952; PubMed Central PMCID: PMC8704723.

HIV, psychological resilience, and substance misuse during the COVID-19 pandemic: A multi-cohort study.
Drug Alcohol Depend. 2022 Feb 1;231:109230. doi: 10.1016/j.drugalcdep.2021.109230. Epub 2021 Dec 24. PubMed PMID: 34998257; PubMed Central PMCID: PMC8704725.

Seroprevalence of Antibodies Specific to Receptor Binding Domain of SARS-CoV-2 and Vaccination Coverage Among Adults in Los Angeles County, April 2021: The LA Pandemic Surveillance Cohort Study.
JAMA Netw Open. 2022 Jan 4;5(1):e2144258. doi: 10.1001/jamanetworkopen.2021.44258. Epub 2022 Jan 4. PubMed PMID: 35050360; PubMed Central PMCID: PMC8777558.

Impacts of the SARS-CoV-2 Pandemic on Young Adult Colorectal Cancer Survivors.
J Adolesc Young Adult Oncol. 2022 Apr;11(2):229-233. doi: 10.1089/jayao.2021.0043. Epub 2021 Jun 18. PubMed PMID: 34143664; PubMed Central PMCID: PMC9057897.

A Rapid Ethnographic Assessment of the Impact of the COVID-19 Pandemic on Mental Health Services Delivery in an Acute Care Medical Emergency Department and Trauma Center.
Adm Policy Ment Health. 2022 Mar;49(2):157-167. doi: 10.1007/s10488-021-01154-2. Epub 2021 Jul 28. PubMed PMID: 34319464; PubMed Central PMCID: PMC8317683.

Impacts of COVID-19 on Mental Health Safety Net Services for Youths: A National Survey of Agency Officials.
Psychiatr Serv. 2022 Apr 1;73(4):381-387. doi: 10.1176/appi.ps.202100176. Epub 2021 Jul 29. PubMed PMID: 34320821; PubMed Central PMCID: PMC8799776.

Changes in perceived stress during the COVID-19 pandemic among American veterans.
Stress Health. 2022 Apr 23;. doi: 10.1002/smi.3153. Epub 2022 Apr 23. PubMed PMID: 35460535; PubMed Central PMCID: PMC9111081.

Substance Use, Financial Stress, Employment Disruptions, and Anxiety among Veterans during the COVID-19 Pandemic.
Psychol Rep. 2022 Mar 24;:332941221080413. doi: 10.1177/00332941221080413. Epub 2022 Mar 24. PubMed PMID: 35324356; PubMed Central PMCID: PMC8958310.

COVID-19 Vaccination Rates and Attitudes Among Young Adults With Recent Experiences of Homelessness.
J Adolesc Health. 2022 Mar;70(3):504-506. doi: 10.1016/j.jadohealth.2021.11.017. Epub 2021 Nov 23. PubMed PMID: 34949569; PubMed Central PMCID: PMC8608675.

COVID-19 Vaccination Dynamics in the US: Coverage Velocity and Carrying Capacity Based on Socio-demographic Vulnerability Indices in California.
J Immigr Minor Health. 2022 Feb;24(1):18-30. doi: 10.1007/s10903-021-01308-2. Epub 2021 Nov 19. PubMed PMID: 34797451; PubMed Central PMCID: PMC8603654.

Pre-Existing Pancreatitis and Elevated Risks of COVID-19 Severity and Mortality.
Gastroenterology. 2022 May;162(6):1758-1760.e3. doi: 10.1053/j.gastro.2022.02.005. Epub 2022 Feb 8. PubMed PMID: 35149034; PubMed Central PMCID: PMC8821019.

Manufacturer Signal-to-Cutoff Threshold Underestimates Cumulative Incidence of SARS-CoV-2 Infection: Evidence from the Los Angeles Firefighters Study.
J Appl Lab Med. 2022 Jun 4;. doi: 10.1093/jalm/jfac034. Epub 2022 Jun 4. PubMed PMID: 35665808;

SARS-CoV-2 seroprevalence among firefighters in Los Angeles, California.
Occup Environ Med. 2022 May;79(5):315-318. doi: 10.1136/oemed-2021-107805. Epub 2022 Jan 24. PubMed PMID: 35074885;

The impact of the COVID-19 pandemic and policy response on health care utilization: Evidence from county-level medical claims and cellphone data.
J Health Econ. 2022 Mar;82:102581. doi: 10.1016/j.jhealeco.2022.102581. Epub 2022 Jan 13. PubMed PMID: 35067386; PubMed Central PMCID: PMC8755425.

The Impact of Recent Tobacco Regulations and COVID-19 Restrictions and Implications for Future E-Cigarette Retail: Perspectives from Vape and Vape-and-Smoke Shop Merchants.
Int J Environ Res Public Health. 2022 Mar 24;19(7). doi: 10.3390/ijerph19073855. Epub 2022 Mar 24. PubMed PMID: 35409539; PubMed Central PMCID: PMC8997836.

Healthcare workers benefit from second dose of COVID-19 mRNA vaccine: Effects of partial and full vaccination on sick leave duration and symptoms.
Public Health Pract (Oxf). 2022 Jun;3:100247. doi: 10.1016/j.puhip.2022.100247. Epub 2022 Mar 29. PubMed PMID: 35373161; PubMed Central PMCID: PMC8961940.

Factors Associated With Hospitalization Among Breast Cancer Patients With COVID-19: A Diverse Multi-Center Los Angeles Cohort Study.
Clin Breast Cancer. 2022 Jun;22(4):e558-e566. doi: 10.1016/j.clbc.2021.12.005. Epub 2021 Dec 17. PubMed PMID: 35027318; PubMed Central PMCID: PMC8677421.

Sociodemographic Variation in Children's Health Behaviors During the COVID-19 Pandemic.
Child Obes. 2022 Jul 19;. doi: 10.1089/chi.2022.0085. Epub 2022 Jul 19. PubMed PMID: 35856858;

Parental Perspectives on Immunizations: Impact of the COVID-19 Pandemic on Childhood Vaccine Hesitancy.
J Community Health. 2022 Feb;47(1):39-52. doi: 10.1007/s10900-021-01017-9. Epub 2021 Jul 23. PubMed PMID: 34297272; PubMed Central PMCID: PMC8299444.

Advancing Interoperability of Patient-level Social Determinants of Health Data to Support COVID-19 Research.
AMIA Annu Symp Proc. 2022;2022:396-405. doi: . Epub 2022 May 23. PubMed PMID: 35854720; PubMed Central PMCID: PMC9285174.

Evaluation of a COVID-19 Rapid Antigen Testing Program in a Supervised Community Distance Learning Setting for K-8 Students.
J Sch Health. 2022 May;92(5):445-451. doi: 10.1111/josh.13146. Epub 2022 Feb 13. PubMed PMID: 35156210; PubMed Central PMCID: PMC9115139.

Effect of Frequent SARS-CoV-2 Testing on Weekly Case Rates in Long-Term Care Facilities, Florida, USA.
Emerg Infect Dis. 2022 Sep;28(9):1918-1920. doi: 10.3201/eid2809.212577. Epub 2022 Aug 1. PubMed PMID: 35914517;

A national survey of early treatment seeking behavior among those with incident SARS-CoV-2 infection.
Respir Med Res. 2022 Jun 12;82:100934. doi: 10.1016/j.resmer.2022.100934. Epub 2022 Jun 12. PubMed PMID: 35908524; PubMed Central PMCID: PMC9188821.

Impact of COVID-19 on diagnosis and testing for TB in a high-resource, low-burden setting.
Int J Tuberc Lung Dis. 2022 Sep 1;26(9):888-890. doi: 10.5588/ijtld.22.0132. PubMed PMID: 35996281;

Local monitoring of SARS-CoV-2 variants in two large California counties in 2021.
Sci Rep. 2022 Oct 11;12(1):17046. doi: 10.1038/s41598-022-21481-0. Epub 2022 Oct 11. PubMed PMID: 36221029; PubMed Central PMCID: PMC9553084.

Usage and awareness of antiviral medications for COVID-19 among individuals at risk for severe COVID-19, March 2021 to 1 August 2022.
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Perceived vulnerability to immigration policies among postpartum Hispanic/Latina women in the MADRES pregnancy cohort before and during the COVID-19 pandemic.
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Effect of Didactic Training on Barriers and Biases to Treatment of Opioid Use Disorder: Meeting the Ongoing Needs of Patients with Opioid Use Disorder in the Emergency Department during the COVID-19 Pandemic.
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Communities, Mistrust, and Implementation: Addressing a Large Gap in the National Strategy for COVID-19 and Future Pandemics.
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COVID-19 Pandemic Experiences and Symptoms of Pandemic-Associated Traumatic Stress Among Mothers in the US.
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Substance use policy and practice in the COVID-19 pandemic: Learning from early pandemic responses through internationally comparative field data.
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Factors associated with parents' willingness to vaccinate their children against COVID-19: The LA pandemic surveillance cohort study.
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Prevalence and correlates of stocking up on drugs during the COVID-19 pandemic: Data from the C3PNO Consortium.
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Use of COVID-19 testing in the first year of the COVID-19 pandemic among cohorts of people at the intersection of drug use and HIV.
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Tobacco product use and the risks of SARS-CoV-2 infection and COVID-19: current understanding and recommendations for future research.
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Factors Associated with Vaccination Intention against the COVID-19 Pandemic: A Global Population-Based Study.
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Associations Between Changes in Loneliness and Social Connections, and Mental Health During the COVID-19 Pandemic: The Women's Health Initiative.
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Association of Global Cognitive Function With Psychological Distress and Adherence to Public Health Recommendations During the Coronavirus Disease 2019 Pandemic: The Women's Health Initiative.
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Healthcare Utilization Among Patients Diagnosed with COVID-19 in a Large Integrated Health System.
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Changes in BMI During the COVID-19 Pandemic.
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Racism and health care: Experiences of Latinx immigrant women in NYC during COVID-19.
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Adolescent emotional disorder symptoms and transdiagnostic vulnerabilities as predictors of young adult substance use during the COVID-19 pandemic: mediation by substance-related coping behaviors.
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Retail Alcohol and Tobacco Sales During COVID-19.
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Association of Political Party Affiliation With Physical Distancing Among Young Adults During the COVID-19 Pandemic.
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Eating to Cope With the COVID-19 Pandemic and Body Weight Change in Young Adults.
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The COMET study: Examining the effects of COVID-19-related perceived stress on Los Angeles Mothers' dysregulated eating behaviors, child feeding practices, and body mass index.
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A Rapid Assessment of Disaster Preparedness Needs and Resources during the COVID-19 Pandemic.
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COVID-19 mortality in California based on death certificates: disproportionate impacts across racial/ethnic groups and nativity.
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COVID-19 Mortality in California Based on Death Certificates: Disproportionate Impacts Across Racial/Ethnic Groups and Nativity.
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Association of serum HDL cholesterol and apolipoprotein A1 levels with risk of severe SARS-CoV-2 infection.
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Ingenuity and Resiliency of Syringe Service Programs on the Front Lines of the Opioid Overdose and COVID-19 Crises.
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Longitudinal Tracking of Vape Shop Compliance With State Business Regulations Within Southern California Ethnic Neighborhoods During the COVID-19 Pandemic.
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Evaluation of the Abbott BinaxNOW rapid antigen test for SARS-CoV-2 infection in children: Implications for screening in a school setting.
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COVID-19 antibody seroprevalence in Santa Clara County, California.
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A single-cell and spatial atlas of autopsy tissues reveals pathology and cellular targets of SARS-CoV-2.
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Disrupting the COVID-19 Misinfodemic With Network Interventions: Network Solutions for Network Problems.
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Heterogenous Exposures May Drive SARS-CoV-2 Positivity Among Different Subpopulations.
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Association of Lower Socioeconomic Status and SARS-CoV-2 Positivity in Los Angeles, California.
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Heterogeneity in SARS-CoV-2 Positivity by Ethnicity in Los Angeles.
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Response to: Seroprevalence of SARS-CoV-2 following the largest initial epidemic wave in the United States: Findings from New York City, May 13-July 21, 2020.
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SARS-CoV-2 Seroprevalence Data to Guide Local Public Health Interventions.
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A Patient-Initiated Digital COVID-19 Contact Notification Tool (TellYourContacts): Evaluation Study.
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The Rising Prevalence of SARS-CoV-2 Infection May Not be Due to Young Adults.
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The Covid-19 Vaccine-Development Multiverse.
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Is the Patient Infected with SARS-CoV-2?
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Prevalence of Asymptomatic Severe Acute Respiratory Syndrome Coronavirus 2 Infection Among Youth.
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A Real-World Comparison of SARS-CoV-2 Rapid Antigen vs. Polymerase Chain Reaction Testing in Florida.
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Evaluation of the INDICAID COVID-19 Rapid Antigen Test in Symptomatic Populations and Asymptomatic Community Testing.
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A Systematic Review of the Protective Effect of Prior SARS-CoV-2 Infection on Repeat Infection.
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Revisiting COVID-19 policies: 10 evidence-based recommendations for where to go from here
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Protective immunity after recovery from SARS-CoV-2 infection.
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Detection of persistent SARS-CoV-2 IgG antibodies in oral mucosal fluid and upper respiratory tract specimens following COVID-19 mRNA vaccination.
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SARS-CoV-2 Specific IgG Antibodies Persist Over a 12-Month Period in Oral Mucosal Fluid Collected From Previously Infected Individuals.
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Fluvoxamine for the Early Treatment of SARS-CoV-2 Infection: A Review of Current Evidence.
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Coronavirus disease 2019 (COVID-19) outbreak among vaccinated staff and residents at a skilled nursing facility in Los Angeles County.
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Optimal uses of pooled testing for COVID-19 incorporating imperfect test performance and pool dilution effect: An application to congregate settings in Los Angeles County.
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SARS-CoV-2 Infections and Hospitalizations Among Persons Aged ≥16 Years, by Vaccination Status - Los Angeles County, California, May 1-July 25, 2021.
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Investigation of a Suspect Severe Acute Respiratory Syndrome Coronavirus-2 and Influenza A Mixed Outbreak: Lessons Learned for Long-Term Care Facilities Nationwide.
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Excess Mortality Associated With the COVID-19 Pandemic-Los Angeles County, March-September 2020.
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Vaping and COVID-19: Insights for Public Health and Clinical Care from Twitter.
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Development of a COVID-19 Application Ontology for the ACT Network.
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Development of a Coronavirus Disease 2019 (COVID-19) Application Ontology for the Accrual to Clinical Trials (ACT) network.
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Sexual and Gender Minority Young Adult Coping Disparities During the COVID-19 Pandemic.
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The consequential impact of JUUL on youth vaping and the landscape of tobacco products: The state of play in the COVID-19 era.
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Disparities in COVID-19 vaccine hesitancy among Los Angeles County adults after vaccine authorization.
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Examining the day-level impact of physical activity on affect during the early months of the COVID-19 pandemic: An ecological momentary assessment study.
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Early effects of the COVID-19 pandemic on fertility preferences in the United States: an exploratory study.
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Using a daily diary approach to examine the early effects of COVID-19 on daily physical activity bouts and contexts among residents of Colorado and California.
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Near-roadway air pollution associated with COVID-19 severity and mortality - Multiethnic cohort study in Southern California.
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Asthma Disease Status, COPD, and COVID-19 Severity in a Large Multiethnic Population.
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Effects of the COVID-19 pandemic on the sexual and mental health of adolescent and adult men who have sex with men and transgender women participating in two PrEP cohort studies in Brazil: COBra study protocol.
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COVID-19 tissue atlases reveal SARS-CoV-2 pathology and cellular targets.
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Environment and the COVID-19 pandemic.
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Equity without human rights: a false COVID-19 narrative?
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Race, ethnicity, community-level socioeconomic factors, and risk of COVID-19 in the United States and the United Kingdom.
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Effect of mortality from COVID-19 on inpatient outcomes.
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Mortality and Readmission Rates Among Patients With COVID-19 After Discharge From Acute Care Setting With Supplemental Oxygen.
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Pan-cancer analysis of RNA expression of ANGIOTENSIN-I-CONVERTING ENZYME 2 reveals high variability and possible impact on COVID-19 clinical outcomes.
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Impact of the COVID-19 Pandemic on Child and Adolescent Mental Health Policy and Practice Implementation.
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Barriers and facilitators to populational adherence to prevention and control measures of COVID-19 and other respiratory infectious diseases: a rapid qualitative evidence synthesis protocol.
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American Veterans in the Era of COVID-19: Reactions to the Pandemic, Posttraumatic Stress Disorder, and Substance Use Behaviors.
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Changes in alcohol use during the COVID-19 pandemic among American veterans.
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Substance use, depression, and loneliness among American veterans during the COVID-19 pandemic.
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An integrated risk and epidemiological model to estimate risk-stratified COVID-19 outcomes for Los Angeles County: March 1, 2020-March 1, 2021.
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Changes in social support of pregnant and postnatal mothers during the COVID-19 pandemic.
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COVID-19 Testing in Schools: Perspectives of School Administrators, Teachers, Parents, and Students in Southern California.
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Effect of mortality from COVID-19 on inpatient outcomes.
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A Comparison of Methylprednisolone and Dexamethasone in Intensive Care Patients With COVID-19.
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Needs, gaps and opportunities for standard and e-mental health care among at-risk populations in the Asia Pacific in the context of COVID-19: a rapid scoping review.
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Mobility restrictions were associated with reductions in COVID-19 incidence early in the pandemic: evidence from a real-time evaluation in 34 countries.
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COVID-19: a pandemic converged with global tobacco epidemic and widespread vaping-state of the evidence.
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Growing racial/ethnic disparities in overdose mortality before and during the COVID-19 pandemic in California.
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Stressors experienced during the COVID-19 pandemic and substance use among US college students.
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Patient Satisfaction and Trust in Telemedicine During the COVID-19 Pandemic: Retrospective Observational Study.
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Integrative genomic analyses identify susceptibility genes underlying COVID-19 hospitalization.
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Eating disorders and trajectory of mental health across the COVID-19 pandemic: Results from the Understanding America study.
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Privacy-protecting, reliable response data discovery using COVID-19 patient observations.
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Detecting variations in ovulation and menstruation during the COVID-19 pandemic, using real-world mobile app data.
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Mental health symptoms among American veterans during the COVID-19 Pandemic.
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Evaluating current chest imaging practices of pediatric patients with COVID-19: A retrospective analysis.
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Impact of COVID-19 infection among cancer patients treated at the Los Angeles County Medical Center.
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Telemedicine in Otolaryngology During COVID-19: Patient and Physician Satisfaction.
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Duration of SARS-CoV-2 viral culture positivity among different specimen types.
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Revisiting COVID-19 policies: 10 evidence-based recommendations for where to go from here.
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Pandemic velocity: Forecasting COVID-19 in the US with a machine learning & Bayesian time series compartmental model.
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Identifying patients with symptoms suspicious for COVID-19 at elevated risk of adverse events: The COVAS score.
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Reproductive justice in the time of COVID-19: a systematic review of the indirect impacts of COVID-19 on sexual and reproductive health.
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Clinical Research in Hepatology in the COVID-19 Pandemic and Post-Pandemic Era: Challenges and the Need for Innovation.
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Public Health Concerns and Unsubstantiated Claims at the Intersection of Vaping and COVID-19.
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Exploring changes in cigar smoking patterns and motivations to quit cigars among black young adults in the time of COVID-19.
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Estimation of COVID-19 risk-stratified epidemiological parameters and policy implications for Los Angeles County through an integrated risk and stochastic epidemiological model.
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Coronavirus Disease 2019 (COVID-19): A Modeling Study of Factors Driving Variation in Case Fatality Rate by Country.
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COVID-19, Climate Change, and the American Thoracic Society. A Shared Responsibility.
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A Cross-Sectional Study Examining the Seroprevalence of Severe Acute Respiratory Syndrome Coronavirus 2 Antibodies in a University Student Population.
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Privacy-Protecting, Reliable Response Data Discovery Using COVID-19 Patient Observations.
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Early effects of the COVID-19 pandemic on physical activity and sedentary behavior in children living in the U.S.
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Early effects of the COVID-19 pandemic on physical activity locations and behaviors in adults living in the United States.
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Integrative analyses identify susceptibility genes underlying COVID-19 hospitalization.
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Seroprevalence of SARS-CoV-2-Specific Antibodies Among Adults in Los Angeles County, California, on April 10-11, 2020.
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Changes in Health Services Use Among Commercially Insured US Populations During the COVID-19 Pandemic.
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Coronavirus Disease 2019 and the Case to Cover Undocumented Immigrants in California.
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Evaluating the impact of stay-at-home orders on the time to reach the peak burden of Covid-19 cases and deaths: does timing matter?
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Virtual House Calls: Telemedicine and Reforming the Health Care Delivery Model with Strategies Implemented in a Novel Coronavirus Pandemic.
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Self-Collected Oral Fluid and Nasal Swab Specimens Demonstrate Comparable Sensitivity to Clinician-Collected Nasopharyngeal Swab Specimens for the Detection of SARS-CoV-2.
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Enhanced contact investigations for nine early travel-related cases of SARS-CoV-2 in the United States.
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Community Prevalence of SARS-CoV-2 Among Patients With Influenzalike Illnesses Presenting to a Los Angeles Medical Center in March 2020.
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Universal and Serial Laboratory Testing for SARS-CoV-2 at a Long-Term Care Skilled Nursing Facility for Veterans - Los Angeles, California, 2020.
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Under-allocation: Critical Supply Chain Hurdles Negatively Impact the Ability of Community Hospitals To Perform Repeat SARS-CoV-2 Testing.
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COVID-19 impact on research, lessons learned from COVID-19 research, implications for pediatric research.
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Behavioral Health and Service Usage During the COVID-19 Pandemic Among Emerging Adults Currently or Recently Experiencing Homelessness.
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Vape shop and consumer activity during COVID-19 non-essential business closures in the USA.
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Substitute addictions in the context of the COVID-19 pandemic.
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Notes From the Field: Vape Shop Business Operations Compliance in the Wake of COVID-19.
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A needle in the haystack? Assessing the significance of envelope (E) gene-negative, nucleocapsid (N2) gene-positive SARS-CoV-2 detection by the Cepheid Xpert Xpress SARS-COV-2 assay.
J Clin Virol. 2020 Dec;133:104683. doi: 10.1016/j.jcv.2020.104683. Epub 2020 Oct 29. PubMed PMID: 33142250; PubMed Central PMCID: PMC7598560.

Rapid ethnographic assessment of the COVID-19 pandemic April 2020 'surge' and its impact on service delivery in an Acute Care Medical Emergency Department and Trauma Center.
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Measures of frequency: calculating prevalence and incidence in the era of COVID-19.
J Bras Pneumol. 2020 Jun 15;46(3):e20200243. doi: 10.36416/1806-3756/e20200243. Epub 2020 Jun 15. PubMed PMID: 32556028; PubMed Central PMCID: PMC7572287.

Notes From the Field: Vape Shop Business Operations Compliance in the Wake of COVID-19.
Eval Health Prof. 2020 Jun;43(2):135-137. doi: 10.1177/0163278720923224. PubMed PMID: 32383409;

Pseudo-likelihood based logistic regression for estimating COVID-19 infection and case fatality rates by gender, race, and age in California.
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Non-neuronal expression of SARS-CoV-2 entry genes in the olfactory system suggests mechanisms underlying COVID-19-associated anosmia.
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COVID-19 and Immigrants' Access to Sexual and Reproductive Health Services in the United States.
Perspect Sex Reprod Health. 2020 Jul;52(2):69-73. doi: 10.1363/psrh.12150. Epub 2020 Jul 15. PubMed PMID: 32530526; PubMed Central PMCID: PMC7307065.

The COronavirus Pandemic Epidemiology (COPE) Consortium: A Call to Action.
Cancer Epidemiol Biomarkers Prev. 2020 Jul;29(7):1283-1289. doi: 10.1158/1055-9965.EPI-20-0606. Epub 2020 May 5. PubMed PMID: 32371551; PubMed Central PMCID: PMC7357669.