Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Nucleocapsid and spike antibody responses post virologically confirmed SARS-CoV-2 infection: An observational analysis in the Virus Watch community cohort
Estimating COVID-19-induced Excess Mortality in Lombardy
Detection of COVID-19 and age-dependent dysosmia with paired crushable odorant ampules
A New Saliva-Based Lateral-Flow SARS-CoV-2 IgG Antibody Test for mRNA Vaccination
Consequences of COVID-19 vaccine allocation inequity in Chicago
Validation of a transcriptome-based assay for classifying cancers of unknown primary origin
Beyond Six Feet: A Guideline to Limit Indoor Airborne Transmission of COVID-19
Clinical Benefits and Budget Impact of Lenzilumab plus Standard of Care Compared with Standard of Care Alone for the Treatment of Hospitalized Patients with COVID-19 in the United States from the Hospital Perspective
Quantitative susceptibility mapping captures chronic multiple sclerosis rim lesions with greater myelin damage: Comparison with high-pass filtered phase MRI
Development and validation of decision rules models to stratify coronary artery disease, diabetes, and hypertension risk in preventive care: cohort study of returning UK Biobank participants
Long Covid in adults discharged from UK hospitals after Covid-19: A prospective, multicentre cohort study using the ISARIC WHO Clinical Characterisation Protocol.
COVID-19 vaccine hesitancy among Algerian medical students: a cross-sectional study in five universities.
Anatomy of Covid outbreak of vaccinated: An observational case-control study of Covid breakthrough infections in medical college students at Rural Medical College, India
Revealing public opinion towards COVID-19 vaccines using Twitter data in the United States: a spatiotemporal perspective
Livestock, pathogens, vectors, and their environment: a causal inference-based approach to estimating the pathway-specific effect of livestock on human African trypanosomiasis risk
Effects of an urban sanitation intervention on childhood enteric infection and diarrhea in Maputo, Mozambique: a controlled before-and-after trial
Association between long working hours and psychological distress: The effect of sick leave criteria in the workplace during the COVID-19 pandemic
School teachers' self-reported fear and risk perception during the COVID-19 pandemic - a nationwide survey in Germany
A Short Plus Long-Amplicon Based Sequencing Approach Improves Genomic Coverage and Variant Detection In the SARS-CoV-2 Genome
SARS-CoV-2 Omicron variant: healthcare workers' perceptions and beliefs of vaccine effectiveness and advocacy: a national survey during the first week of the World Health Organization variant alert
Assessment of fractional anisotropy outcomes in combat sport athletes with mild traumatic brain injury
Systematic analysis and prediction of genes associated with disorders on chromosome X
A Sex-Specific Genome-Wide Association Study of Depression Phenotypes in UK Biobank
Patients with presumed tuberculosis in sub-Saharan Africa that are not diagnosed with tuberculosis: a systematic review and meta-analysis
Strategies for communicating health evidence to health policymakers and the population. Scoping review protocol.
Association of plasma and CSF cytochrome P450, soluble epoxide hydrolase and ethanolamides metabolism with Alzheimer's disease