Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Implementation of Mercury Biomonitoring in German Adults using Dried Blood Spot Sampling in Combination with Direct Mercury Analysis
Strategies to minimize SARS-CoV-2 transmission in classroom settings: Combined impacts of ventilation and mask effective filtration efficiency
Comparative single-dose mRNA and ChAdOx1 vaccine effectiveness against SARS-CoV-2, including early variants of concern: a test-negative design, British Columbia, Canada
Predicting the Ophthalmic Surgical Backlog as a Result of the COVID-19 Pandemic: A population-based study and microsimulation model to inform surgical recovery plans
Trends, patterns and psychological influences on COVID-19 vaccination intention: findings from a large prospective community cohort study in England and Wales (Virus Watch)
A year in the public life of COVID-19 and Vitamin D: Representation in UK news media and implications for health communications.
Protocol for mixed-method study by LOng COvid Multidisciplinary consortium: Optimising Treatments and servIces acrOss the NHS (LOCOMOTION)
Predicting clinical outcomes in the Machine Learning era: The Piacenza score a purely data driven approach for mortality prediction in COVID-19 Pneumonia
Quantifying the effects of non-pharmaceutical and pharmaceutical interventions against COVID-19 epidemic in the Republic of Korea: Mathematical model-based approach considering age groups and the Delta variant
Impact of persistent COVID-19 symptoms on social life of female long haulers: A qualitative study
An Analysis of SARS-CoV-2 Vaccine Breakthrough Infections and Associated Clinical Outcomes
Face masks to prevent transmission of respiratory diseases: Systematic review and meta-analysis of randomized controlled trials
Covaxin (BBV152) Vaccine Neutralizes SARS-CoV-2 Delta and Omicron variants
Autonomic dysfunction is associated with the development of arterial stiffness: The Whitehall II cohort
On the survival of individuals diagnosed with type 2 diabetes mellitus in the United Kingdom: a retrospective matched cohort study
Transcriptional patterns of coexpression across autism risk genes converge on established and novel signatures of neurodevelopment
Differential anchoring effects of vaccination comparator selection: characterizing a potential bias due to healthcare utilization in COVID-19 versus influenza
The role of Zambias expansive Inter-agency Coordinating Committee (ICC) in supporting efficient, effective, and evidence-based vaccine and health sector programming
Distributed genetic architecture across the hippocampal formation implies common neuropathology across major brain disorders
Preliminary Evidence on Long COVID in children
Hidden fraction of Polish population immune to SARS-CoV-2 in May 2021
Association between vaccination status and reported incidence of post-acute COVID-19 symptoms in Israel: a cross-sectional study of patients infected between March 2020 and November 2021
Serum NfL in spinocerebellar ataxia type 1 is increased already at the preataxic stage, correlating with proximity to clinical onset
Symptoms persisting after hospitalization for COVID-19: 12 months interim results of the COFLOW study
Booster and anergic effects of the Covishield vaccine among healthcare workers in South India
Pre-vaccination and early B cell signatures predict antibody response to SARS-CoV-2 mRNA vaccine