Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Kinetics of SARS-CoV-2 anti-s IgG after BNT162b2 vaccination
Risk factors, symptom reporting, healthcare-seeking behaviour and adherence to public health guidance: protocol for Virus Watch, a prospective community cohort study
ROCCA study protocol and interim analysis on safety of Sputnik V vaccine (Gam-COVID-Vac) in the Republic of San Marino: an observational study using active surveillance
Evaluating the effect of COVID-19 on dispensing patterns: a national cohort analysis
Burden of PCR-Confirmed SARS-CoV-2 Reinfection in the U.S. Veterans Administration, March 2020 - January 2022
The antibody response to SARS-CoV-2 increases over 5 months in patients with anosmia/dysgeusia
C Reactive Protein based early intervention for home quarantined COVID-19 patients to avoid complications and hospitalization.
Treatment group outcome variance difference after dropout as an indicator of missing-not-at-random bias in randomized clinical trials
Using flexible carbon fiber insoles for 1st metatarsophalangeal arthritis lead to pain reduction and high compliance rate: A Randomized Controlled Trial
Late surges in COVID-19 cases and varying transmission potential partially due to public health policy changes in 5 Western states, March 10, 2020-January 10, 2021
Artificial intelligence for diagnosis and prognosis in neuroimaging for dementia; a systematic review
Cov2clusters: genomic clustering of SARS-CoV-2 sequences
The Outcome of Gynecologic Cancer Patients With Covid-19 Infection: A Systematic Review And Meta-Analysis
Intracranial approach for sub-second monitoring of neurotransmitters during DBS electrode implantation does not increase infection rate
Performance evaluation of virus concentration methods for implementing SARS-CoV-2 Wastewater-based epidemiology emphasizing quick data turnaround.
Characterizing Post-Acute Sequelae of SARS-CoV-2 Infection across Claims and Electronic Health Record Databases
Premorbid frailty predicts short and long term outcomes of reperfusion treatment in acute stroke
Association of University Reopening Policies with New Confirmed COVID-19 Cases in the United States
Noncommunicable Diseases, Sociodemographic Vulnerability, and the Risk of Mortality in Hospitalized Children and Adolescents with COVID-19 in Brazil: A Syndemic in Play
Dental biofilm microbiota dysbiosis is associated with the risk of acute graft-versus-host disease after allogeneic hematopoietic stem cell transplantation
Genome-wide study on 72,298 Korean individuals in Korean biobank data for 76 traits identifies hundreds of novel loci
Suboptimal HIV status ascertainment at antenatal clinics and the impact on HIV prevalence estimates.
Dopamine-induced pruning in Monocyte-Derived-Neuronal-like cells (MDNCs) from patients with Schizophrenia
Development of a core measurement set for research in degenerative cervical myelopathy: a study protocol (AO Spine RECODE-DCM CMS)
Prevention and Attenuation of COVID-19 by BNT162b2 and mRNA-1273 Vaccines
Effectiveness of COVID-19 vaccines against variants of concern in Ontario, Canada