Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Engagement in leisure activities and depression in older adults in the United States: Longitudinal evidence from the Health and Retirement Study
Behavioral and Magnetoencephalographic Correlates of Fear Generalization Are Associated with Responses to Later Virtual Reality Exposure Therapy in Spider Phobia
Transmission, infectivity, and antibody neutralization of an emerging SARS-CoV-2 variant in California carrying a L452R spike protein mutation
Implementing Mandatory Testing and a Public Health Commitment to Control COVID-19 on a College Campus
Consultagene: Pre- and Post-Pandemic Experience with a Web-based Platform and Remote Delivery of Genetic Services
Paradox of Predictors in Critically ill COVID-19 Patients: Outcome of a COVID-dedicated Intensive Care Unit
Research output is low, but increasing, and focuses on public health at new universities in southern Ethiopia
Quantifying the relationship between sub-population wastewater samples and community-wide SARS-CoV-2 seroprevalence
Efficacy of propolis as an adjunct treatment for hospitalized COVID-19 patients: a randomized, controlled clinical trial
Diagnostic Strategies to Identify Patients with Genetic Salt-Losing Tubulopathies
A multi-centre service evaluation of the impact of the COVID-19 pandemic on presentation of newly diagnosed cancers and type 1 diabetes in children in the UK
Real world performance of inactivated SARS-CoV-2 vaccine (CoronaVac) against infection, hospitalization and death due to COVID-19 in adult population in Indonesia
Categorizing ultra-processed food intake in large-scale cohort studies: evidence from the Nurses' Health Studies, the Health Professionals Follow-Up Study, and the Growing Up Today Study
Durability analysis of the highly effective BNT162b2 vaccine against COVID-19
Triangulating Causality Between Childhood Obesity and Neurobehavior: Twin and Longitudinal Evidence
The association between immunosuppressants use and COVID-19 adverse outcome: National COVID-19 cohort in South Korea
The Clinical Utility of Serial Procalcitonin and Procalcitonin Clearance in Predicting the Outcome of COVID-19 Patients
CSF Aβ38 levels are associated with Alzheimer-related decline: implications for γ-secretase modulators
Development of Childhood Asthma Prediction Models using Machine Learning Approaches
Neutralization profile of Omicron variant convalescent individuals
Does reactogenicity after a second injection of the BNT162b2 vaccine predict spike IgG antibody levels in healthy Japanese subjects?
Nuclear Morphometry is a superior Prognostic Predictor in comparison to Histological grading in Renal cell Carcinoma: A Retrospective Clinico-pathological study
Addressing disruptions in childhood routine immunisation services during the COVID-19 pandemic: perspectives and lessons learned from Liberia, Nepal, and Senegal
COVID-19 Susceptibility and Severity Risks in a Survey of Over 500,000 Individuals
Third COVID-19 Vaccine Dose Boosts Neutralising Antibodies in Poor Responders
Modeling the impact of racial and ethnic disparities on COVID-19 epidemic dynamics