Instruct: Identify the main category of medRxiv papers based on the titles.
Query: SARS-CoV-2 IgG detection in human oral fluids
Interactions among common non-SARS-CoV-2 respiratory viruses and influence of the COVID-19 pandemic on their circulation in New York City
Covid-19 lockdown: Ethnic differences in childrens self-reported physical activity and the importance of leaving the home environment. A longitudinal and cross-sectional
Ongoing use of SSRIs and the hospital course of COVID-19 patients: a retrospective outcome analysis
Development of a Metastatic Uveal Melanoma Prognostic risk Score (MUMPS) for use in patients receiving immune checkpoint inhibitors
Imaging synaptic microstructure and synaptic loss in vivo in early Alzheimers Disease
Cost-effectiveness of the digital therapeutics for essential hypertension
A survey of clinical opinions and preferences on the non-surgical management of intermittent exotropia in China
Serological profiles of pan-coronavirus-specific responses in COVID-19 patients using a multiplexed electro-chemiluminescence-based testing platform
Estimating the death toll of the Covid-19 pandemic in India
Comparing the effectiveness of secondary distribution of HIV self-testing to testing card referral in promoting HIV testing among men who have sex with men in China: A quasi-experimental study
HeAlth System StrEngThening in four sub_Saharan African countries (ASSET) to achieve high-quality, evidence-informed surgical, maternal and newborn, and primary care: protocol for pre-implementation phase studies
Analysis of the Factors Affecting the Adoption and Compliance of the NHS COVID-19 Mobile Application: A National Online Questionnaire Survey in England
Mechanistic modeling of SARS-CoV-2 immune memory, variants, and vaccines
Investigating pleiotropy between depression and autoimmune diseases using the UK Biobank
Comparative quantitative analysis of SARS-CoV-2 Spike neutralizing antibody titers following  two anti COVID-19 vaccines in India
Unplanned Hospital Visits after Ambulatory Surgical Care
Post-COVID-19 Memory Impairment: Prevalence and Associated Factors
A mixed methods study of seasonal influenza vaccine hesitancy in adults with chronic respiratory conditions
SARS-CoV-2 recruits a haem metabolite to evade antibody immunity
Modeling the early phase of the Belgian COVID-19 epidemic using a stochastic compartmental model and studying its implied future trajectories
Alcov: Estimating Variant of Concern Abundance from SARS-CoV-2 Wastewater Sequencing Data
Comprehensive Study of Germline Mutations and Double-Hit Events in Esophageal Squamous Cell Cancer
Prevalence and risk factors for in-school transmission of SARS-CoV-2 in Massachusetts K-12 public schools, 2020-2021
Accelerated partner therapy contact tracing for people with chlamydia: The LUSTRUM cluster cross-over randomised controlled trial
Distinct transcriptomic signature of mRNA and microRNA in ulcerative colitis and irritable bowel syndrome