Instruct: Identify the main category of medRxiv papers based on their titles.
Query: Estimated SARS-CoV-2 Seroprevalence in Healthy Children and Those with Chronic Illnesses in The Washington Metropolitan Area as of October 2020
The Spectre of SARS-CoV-2 in the Ambient Urban Natural Water in Ahmedabad and Guwahati: A Tale of Two Cities
Evidence of widespread endemic populations of highly multidrug-resistant  Klebsiella pneumoniae  seen concurrently through the lens of two hospital intensive care units in Vietnam
Suicidal Ideation in Dementia: Associations with Neuropsychiatric Symptoms and Subtype Diagnosis
Breastfeeding infants receive neutralizing antibodies and cytokines from mothers immunized with a COVID-19 mRNA vaccine
Effect of in-hospital treatment with angiotensin-converting enzyme inhibitors and angiotensin II receptor blockers on mortality and complications in patients hospitalized for COVID-19: a large Spanish cohort study.
Analysis, quantification, and visualization of RT-LAMP technique for detection of COVID-19
Physician-confirmed and administrative definitions of stroke in UK Biobank reflect the same underlying genetic trait.
Effects of COVID-19 on the human central olfactory system: a natural pre-post experiment
LAMP-BEAC: Detection of SARS-CoV-2 RNA Using RT-LAMP and Molecular Beacons
Role of FYVE and Coiled-Coil Domain Autophagy Adaptor 1 in severity of COVID-19 infection: from GWAS hit to therapeutic hypothesis
A non-muscle myosin heavy chain 9 genetic variant is associated with graft failure following kidney transplantation.
Assessment of COVID-19 risk and prevention effectiveness among spectators of mass gathering events
Essential hypertension is associated with changes in gut microbial metabolic pathways: A multi-site analysis of ambulatory blood pressure
Polygenic Risk for Schizophrenia, Brain Structure and Environmental Risk in UK Biobank
SARS-CoV-2 infection of BNT162b2(mRNA)-vaccinated individuals is not restricted to variants of concern or high-risk exposure environments
Public opinion on sharing data from UK health services for clinical and research purposes without explicit consent
Comparing Interventions Aimed at Improving Influenza Vaccination Coverage Among Vulnerable Populations: A Systematic Review and Meta-Analysis Protocol
Safety, tolerability, and immunogenicity of a SARS-CoV-2 recombinant spike protein vaccine: a randomised, double-blind, placebo-controlled, phase 1-2 clinical trial (ABDALA Study).
Probabilistic inference of the genetic architecture underlying functional enrichment of complex traits
Nature and Trends of Pharmaceutical Payments to Board Certificated Respiratory Specialists in Japan between 2016 and 2019
Predicting pneumothorax after lung biopsy from pre-operative imaging using a deep convolutional neural network
Immune response to third SARS-CoV-2 vaccination in seronegative kidney transplant recipients: possible improvement by mycophenolate mofetil reduction
Natural immunity against COVID-19 significantly reduces the risk of reinfection: findings from a cohort of sero-survey participants
BNT162b2 post-exposure-prophylaxis against COVID-19
Disease correlates of quantitative susceptibility mapping rim lesions in multiple sclerosis