Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Mitigating Covid-19 aerosol infection risk in school buildings: the role of natural ventilation, classroom volume, occupancy and face masks
Measuring College Student Attitudes Toward COVID-19 Vaccinations
Community-level face mask usage in Boston, MA
Predictors of longitudinal cognitive ageing from age 70 to 82 including APOE e4 status, early-life and lifestyle factors
High throughput wastewater SARS-CoV-2 detection enables forecasting of community infection dynamics in San Diego county
Brain activity measured by functional brain imaging predicts breathlessness improvement during pulmonary rehabilitation
Symptoms network analysis of serious mental illness: A cross disasters comparison
Circulating proteins to predict adverse COVID-19 outcomes
Dynamic balance recovery in chronic Acquired Brain Injury participants following a perturbation training.
Atypical action updating in a dynamic environment associated with adolescent obsessive-compulsive disorder
Vaccination and COVID-19 dynamics in hemodialysis patients: a population-based study in France.
Occupation and COVID-19 mortality in England: a national linked data study of 14.3 million adults
Risk factors for illness severity among pregnant women with confirmed SARS-CoV-2 infection - Surveillance for Emerging Threats to Mothers and Babies Network, 20 state, local, and territorial health departments, March 29, 2020 -January 8, 2021
COVID-19 due to the B.1.617.2 (Delta) variant compared to B.1.1.7 (Alpha) variant of SARS-CoV-2: two prospective observational cohort studies
A general model for the demographic signatures of the transition from pandemic emergence to endemicity
Pneumocytes are distinguished by highly elevated expression of the ER stress biomarker GRP78, a co-receptor for SARS-CoV-2, in COVID-19 autopsies
Synthesizing evidence from the earliest studies to support decision-making: to what extent could the evidence be reliable?
Development and validation of personalised risk prediction models for early detection and diagnosis of primary liver cancer among the English primary care population using the QResearch database: research protocol and statistical analysis plan
Combined prenatal Lactobacillus reuteri and ω-3 supplementation synergistically modulates DNA methylation in neonatal T helper cells
Plasmodium falciparum malaria during pregnancy: the impact of parasitaemia and anaemia on birthweight
The impacts of increased global vaccine sharing on the COVID-19 pandemic; a retrospective modelling study
Does greater longevity come with lower life disparity in India? A comparative study between Kerala and Delhi
Will the Large-scale Vaccination Succeed in Containing the COVID-19 Epidemic and How Soon?
COVID-19 vaccine effectiveness against SARS-CoV-2 infection in the United States prior to the Delta and Omicron-associated surges: a retrospective cohort study of repeat blood donors
Elastomeric Harnesses Decrease Aerosol Particles Leak and Improve the Fit of Surgical Masks
Ct threshold values, a proxy for viral load in community SARS-CoV-2 cases, demonstrate wide variation across populations and over time