Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Factors influencing COVID-19 infection in older individuals: History of Alcohol Use Disorder; Major Depressive illness, genetic variation and current use of alcohol
Differential immunogenicity of homologous versus heterologous boost in Ad26.COV2.S vaccine recipients.
Dynamic Prediction of SARS-CoV-2 RT-PCR status on Chest Radiographs using Deep Learning Enabled Radiogenomics
Predictors of Treatment Response, Remission, Relapse and Rehospitalization in First-Episode Psychosis Patients in Medellin, Colombia
Genetic analyses of common infections in the Avon Longitudinal Study of Parents and Children cohort
I do not know anybody who said, oh great, lets get measles: a qualitative study of responses to childhood vaccinations (MMRV) among Orthodox Jews in Jerusalem following the 2018-19 measles outbreaks
Japanese Project for Telepsychiatry Evaluation during COVID-19: Treatment Comparison Trial (J-PROTECT): Rationale, design, and methodology
Herd immunity induced by COVID-19 vaccination programs to suppress epidemics caused by SARS-CoV-2 wild type and variants in China
A qualitative study exploring the experience of the Medical Intern Programme: Supportive transition for international doctors working in the NHS
Improvement of behavioural pattern and alpha-synuclein levels in autism spectrum disorder after consumption of a beta-glucan food supplement in a randomized, parallel-group pilot clinical study
Genetic Factors Associated with Prostate Cancer Conversion from Active Surveillance to Treatment
Determinants of the COVID-19 Vaccine Hesitancy Spectrum
Unified real-time environmental-epidemiological data for multiscale modeling of the COVID-19 pandemic
Characteristics of Long Covid: findings from a social media survey
Serum miRNA-based signature indicates radiation exposure and dose in humans: a multicenter diagnostic biomarker study
The effect of calcium supplementation in people under 35 years old: A systematic review and meta-analysis of randomized controlled trials
The Association of COVID-19 Incidence with Sport and Face Mask Use in United States High School Athletes
A more compact photoacoustic imaging system to detect periodontitis
Characterization and mitigation of aerosols and splatters from ultrasonic scalers
A discrepancy between processing speed and verbal ability in gifted youth is genetically and diagnostically associated with autism
Hemoglobin levels among male agricultural workers: analyses from the Demographic and Health Surveys to investigate a marker for chronic kidney disease of uncertain etiology
Heterogeneity of Provider Preferences for HIV Care Coordination Program Features: Latent Class Analysis of a Discrete Choice Experiment
Problems with Evidence Assessment in COVID-19 Health Policy Impact Evaluation (PEACHPIE): A systematic strength of methods review
Estimation of Daily Reproduction Rates in COVID-19 Outbreak.
SARS-CoV-2 antibody prevalence among homeless people, sex workers and shelter workers in Denmark: a nationwide cross-sectional study
Dissatisfaction with family members' medical care: the relationship with trust in personal physicians and physicians generally in Japan