Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Trends in homelessness and injection practices among young urban and suburban people who inject drugs: 1997-2017
CoSIR: Optimal control of SIR epidemic dynamics by mapping to Lotka-Volterra System
Sexual Behaviours and Sexual Health Among Middle-Aged and Older Adults in Britain: A Latent Class Analysis of The Natsal-3
Plasma sgp130 is an independent predictor of non-alcoholic fatty liver disease severity
The Vaccination Threshold for SARS-CoV-2 Depends on the Indoor Setting and Room Ventilation
Progress, stasis, and regression through the hypertension care continuum: Longitudinal evidence from population-based cohort data in four populous middle-income countries
Workplace measures against COVID-19 during the winter third wave in Japan: company size-based differences
Telemedicine for surgical site infection diagnosis: a systematic review protocol
qMRI-BIDS: An extension to the brain imaging data structure for quantitative magnetic resonance imaging data
Speed and accuracy of whole-genome nanopore sequencing for differential Neisseria gonorrhoeae strain detection in samples collected prospectively from a sexual health clinic
Monoclonal antibody treatment drives rapid culture conversion in SARS-CoV-2 infection
Metabolic and muscle-derived serum biomarkers define CHCHD10-linked late-onset spinal muscular atrophy
Second wave mortality among patients hospitalised for COVID-19 in Sweden: a nationwide observational cohort study
Interplay of ADHD polygenic liability with birth-related, somatic and psychosocial factors in ADHD - a nationwide study
T-cell responses to acute cardiorespiratory or resistance exercise in cohorts of physically active or physically inactive older adults: A randomized complete crossover
Genetic correlates of phenotypic heterogeneity in autism
A phenome-wide association study (PheWAS) of COVID-19 outcomes by race using the electronic health records data in Michigan Medicine
Comprehensive Study of Germline Mutations and Double-Hit Events in Esophageal Squamous Cell Cancer
Shifting research priorities in maternal and child health in the COVID-19 pandemic era in India: a renewed focus on systems strengthening
SEROLOGICAL TESTING OF BLOOD DONORS TO CHARACTERISE THE IMPACT OF COVID-19 IN MELBOURNE, AUSTRALIA, 2020
Stepwise evolution of carbapenem-resistance, captured in patient samples and evident in global genomics of Klebsiella pneumoniae
Arm-hand boost therapy during inpatient stroke rehabilitation: a pilot randomized controlled trial
The effect of Alzheimer's disease-associated genetic variants on longevity
Direct influence of BMPR2-mutations on cytokine patterns and biomarker effectiveness in pulmonary arterial hypertension.
Addition of formaldehyde releaser imidazolidinyl urea and MOPS buffer to urine samples enables delayed processing for flow cytometric analysis of urinary cells
The basic reproduction number of COVID-19 across Africa