Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Systemic adverse effects induced by the BNT162b2 vaccine are associated with higher antibody titers from 3 to 6 months after vaccination
Genetic drift and regional spreading dynamics of COVID-19
Proteomic Profiling of MIS-C Patients Reveals Heterogeneity Relating to Interferon Gamma Dysregulation and Vascular Endothelial Dysfunction
Public Opinion about the UK Government during COVID-19 and Implications for Public Health: A Topic Modelling Analysis of Open-Ended Survey Response Data
REACT-1 round 15 interim report: High and rising prevalence of SARS-CoV-2 infection in England from end of September 2021 followed by a fall in late October 2021
Effect of information about COVID-19 vaccine effectiveness and side effects on behavioural intentions: two online experiments
Potentially Inappropriate Medication Use and the Hospitalization Rate among Thai Elderly Patients: a Retrospective Cohort Study
Temporal Trends in Racial and Ethnic Disparities in Sleep Duration in the United States: A National Health Interview Survey Analysis from 2004 to 2018
Interactions between nuclear and mitochondrial SNPs and Parkinson's disease risk
Parapneumonic effusions related to Streptococcus pneumoniae: serotype and disease severity trends
Race and ethnicity do not impact eligibility for remdesivir- a single-center experience
Stay Home and Stay Active? The impact of stay-at-home restrictions on physical activity routines in the UK during the COVID-19 pandemic
The influence of repeated mild lockdown on mental and physical health during the COVID-19 pandemic: a large-scale longitudinal study in Japan
Protocol for a Systematic Review to validate or not, the philosophic explanation under the mechanism of action of the Tension Band Wiring to estabilizase an Olecranon fracture.
Trust in the scientific research community predicts intent to comply with COVID-19 prevention measures: An analysis of a large-scale international survey dataset
Pregnancy loss and postpartum mortality in a sub-Saharan African setting
Obstructive sleep apnea is highly prevalent in COVID19 moderate to severe ARDS survivors: Findings of level I Polysomnography in a tertiary care hospital
Using random forests to understand unrecognized progression to late-stage CKD, a case-control study
Ownership and COVID-19 in care homes for older people: A living systematic review of outbreaks, infections, and mortalities
Inequalities in the decline and recovery of pathological cancer diagnoses during the first six months of the COVID-19 pandemic: a population-based study
Obesity, hypertension and tobacco use associated with left ventricular remodelling and hypertrophy in South African Women: Birth to Twenty Plus Cohort
Polygenic Risk for Schizophrenia, Brain Structure and Environmental Risk in UK Biobank
A prospective cohort study of presenteeism and increased risk of unemployment among Japanese workers
Impact on Mental Health of students due to restriction caused by COVID-19 pandemic: Cross-sectional study
Development of models of care coordination for rare conditions: A qualitative study
Metabolite patterns of patients with peripheral arterial disease in response to exercise