Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Automatized and combined HIV, HBV, HCV, and syphilis testing among illegal gold miners in French Guiana using a standardized dried blood device
Distinct Vaccine Efficacy Rates Among Health Care Workers During a COVID-19 Outbreak in Jordan
COVID-19 onset reduced the sex ratio at birth in South Africa
Birth history is associated with whole-blood and T-cell methylation patterns in relapse onset multiple sclerosis
Effects of 12 weeks of Multi-nutrient supplementation on the Immune and Musculoskeletal systems of Older Adults in Aged-Care (The Pomerium Study): Protocol for a Randomised Controlled Trial
Outcome Reporting bias in Exercise Oncology trials (OREO): a cross-sectional study
A simple and quick PCR based method for detection of Omicron variant of SARS-CoV-2
Considerations regarding a diagnosis of Alzheimer's Disease before dementia: a systematic review
Effectiveness of a Short Term Induction Regimen of a Biosimilar Adalimumab in the Long Term Management of Symptomatic Ankylosing Spondylitis: A Community Based Proof of Concept Observational Study
Prognosis-related molecular subtypes and immune features associated with hepatocellular carcinoma
Combined prenatal Lactobacillus reuteri and ω-3 supplementation synergistically modulates DNA methylation in neonatal T helper cells
Geographic Variation in Influenza Vaccination among US Nursing Home Residents: A National Study
Actions for fostering cross-disciplinary global health research
Transcriptome analysis of PBMCs reveals distinct immune response in the asymptomatic and re-detectable positive COVID-19 patients
Hemoglobin Interacts with Endothelial Nitric Oxide Synthase to Regulate Vasodilation in Human Resistance Arteries
Bidirectional Mendelian randomization supports bidirectional causality between telomere length and clonal hematopoiesis of intermediate potential
COVID-19 Mortality in California Based on Death Certificates: Disproportionate Impacts Across Racial/Ethnic Groups and Nativity
Bayesian, Universal COVID Testing
Post-peak dynamics of a national Omicron SARS-CoV-2 epidemic during January 2022
Malaria and typhoid fever coinfection among patients presenting with febrile illnesses in Ga West Municipality, Ghana
'Breaking the silence': Sexual victimisation in an old age psychiatry patient population in Flanders
Food Insecurity in the Households of Children with Autism Spectrum Disorders and Intellectual Disabilities in the U.S.: Analysis of the National Survey of Childrens Health Data 2016 to 2018
Genetic effects on the timing of parturition and links to fetal birth weight
A statistical model of COVID-19 testing in populations: effects of sampling bias and testing errors
Characterization of Age and Polarity at Onset in Bipolar Disorder
A nationwide study of Chlamydia trachomatis infections in Denmark during the COVID-19 pandemic