Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: A prospective study of the protective effect of SARS-CoV-2-specific antibodies and T cells in Moscow residents
Wastewater SARS-CoV-2 Concentration and Loading Variability from Grab and 24-Hour Composite Samples
Ethnic differences in SARS-CoV-2 vaccine hesitancy in United Kingdom healthcare workers: Results from the UK-REACH prospective nationwide cohort study
Verification of the Abbott Alinity m Resp-4-Plex Assay for detection of SARS-CoV-2, influenza A/B, and respiratory syncytial virus
Blood group O and post-COVID-19 syndrome
Fatigue in perinatal stroke is associated with the functional connectivity
Individual level prediction of emerging suicide events in the pharmacologic treatment of bipolar disorder
Prevalence of anti-platelet factor4/polyanionic antibodies after COVID-19 vaccination with ChAdOx1 nCoV-19 and CoronaVac in Thais
Predicting mortality, duration of treatment, pulmonary embolism and required ceiling of ventilatory support for COVID-19 inpatients: A Machine-Learning Approach
Femtomolar SARS-CoV-2 Antigen Detection Using the Microbubbling Digital Assay with Smartphone Readout Enables Antigen Burden Quantitation and Dynamics Tracking
TREATMENTS, RESOURCE UTILIZATION, AND OUTCOMES OF COVID-19 PATIENTS PRESENTING TO EMERGENCY DEPARTMENTS ACROSS PANDEMIC WAVES: AN OBSERVATIONAL STUDY BY THE CANADIAN COVID-19 EMERGENCY DEPARTMENT RAPID RESPONSE NETWORK (CCEDRRN)
Vitamin D-related polymorphisms and vitamin D levels as risk biomarkers of COVID-19 infection severity
Phase 3, multicentre, double-blind, randomised, parallel-group, placebo-controlled study of camostat mesilate (FOY-305) for the treatment of COVID-19 (CANDLE study)
The link between autism and sex-specific neuroanatomy, and associated cognition and gene expression
Loneliness among people with severe mental ill health during the COVID-19 pandemic: results from a linked UK population cohort study
Patterns of rates of mortality in the Clinical Practice Research Datalink
Indications that Chymotrypsin-like Elastase 1 is Involved in Emphysema
Risk Profile of Thanksgiving Gatherers and Subsequent SARS-CoV2 Testing and Diagnosis
'Trained immunity' from Mycobacterium spp. (environmental or BCG) exposure predicts protection from Coronavirus disease 2019 (COVID-19)
HISTOPATHOLOGICAL AND IMMUNOHISTOCHEMICAL PROGNOSTIC FACTORS IN HIGH-GRADE NON-ENDOMETRIOID CARCINOMAS OF THE ENDOMETRIUM (HG-NECs). IS IT POSSIBLE TO IDENTIFY SUB-GROUPS AT INCREASED RISK?
A Propensity-Matched Nested Case-Control Study of Acute Coronary Syndrome Patients Genotyped for CYP2C19
Waning immunity of the BNT162b2 vaccine: A nationwide study from Israel
Auditory tests for characterizing hearing deficits in listeners with various hearing abilities: The BEAR test battery
Uncovering Survivorship Bias in Longitudinal Mental Health Surveys
Whole genome sequencing identifies multiple loci for critical illness caused by COVID-19
Automated method to extract and purify RNA from wastewater enables more sensitive detection of SARS-CoV-2 markers in community sewersheds