Instruct: Identify the main category of Medrxiv papers based on the titles.
Query: Reevaluation of Seroprevalence using a Semi-quantitative Anti-spike IgG in Health Care workers at an Academic Medical Center in Boston, Massachusetts
Sero-surveillance for IgG to SARS-CoV-2 at antenatal care clinics in three Kenyan referral hospitals: repeated cross-sectional surveys 2020-21
Beta infection combined with Pfizer BNT162b2 vaccination leads to broadened neutralizing immunity against Omicron
The emergence of SARS-CoV-2 variants of concern is driven by acceleration of the evolutionary rate
Can cheap, rapid air filtration control the pandemic?
Gulf War veterans exhibit broadband sleep EEG power reductions in regions overlying the frontal lobe
Persistence of G10P neonatal rotavirus infections in southern India
The Association of Marital/Partner Status with Patient-Reported Health Outcomes Following Acute Myocardial Infarction or Stroke: Protocol for a Systematic Review and Meta-analysis
Polyautoimmunity Clusters as a New Taxonomy of Autoimmune Diseases
Intention to receive a COVID-19 vaccine: Results from a population-based survey in Canada
Public Awareness of Mask Usage in 29 Countries
Thyroid function and risk of anemia: a multivariable-adjusted and Mendelian Randomization analysis in the UK Biobank
Changing patterns of sickness absence among healthcare workers in England during the COVID-19 pandemic.
A population framework for predicting the proportion of people infected by the far-field airborne transmission of SARS-CoV-2 indoors
Is migraine associated to brain anatomical alterations? New data and coordinate-based meta-analysis.
Residual insecticide surface treatment for preventing malaria: a systematic review protocol
Current quantitative polymerase chain reaction to detect severe acute respiratory syndrome coronavirus 2 may give positive results for other described coronavirus
Performance and Implementation Evaluation of the Abbott BinaxNOW Rapid Antigen Test in a High-throughput Drive-through Community Testing Site in Massachusetts
COVID19, Consumption and Inequality: A Systematic Analysis of Rural Population of India
Double-blind, Randomized, Placebo-Controlled study to evaluate the Efficacy of an early treatment with Herbal Supplement based in the Prevention of Post-Traumatic Stress Disorder in emergency department (PHYTeS Study)
Effect of COVID-19 vaccination on menstrual periods in a retrospectively recruited cohort
PAGEANT: Personal Access to Genome and Analysis of Natural Traits
Assessing the sustainability of an integrated rural sanitation and hygiene approach: A repeated cross-sectional evaluation in 10 countries
Pharmacokinetics/pharmacodynamics by Race: Analysis of a Peginterferon Beta-1a Phase I Study
Examining the Association between the COVID-19 Pandemic and Self-Harm Death Counts in Four Canadian Provinces
Predictive value of isolated symptoms for diagnosis of SARS-CoV-2 infection in children tested during peak circulation of the delta variant