Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Change in age distribution of COVID-19 deaths with the introduction of COVID-19 vaccination
Effectiveness and safety of reactive focal mass drug administration (rfMDA) using dihydroartemisinin-piperaquine to reduce malaria transmission in very low-endemic setting of Eswatini: a pragmatic cluster randomised controlled trial
Daily Rapid Antigen Testing in a University Setting to Inform COVID-19 Isolation Duration Policy
COVID-19 transmission in educational institutions August to December 2020, Rhineland-Palatinate, Germany: a study of index cases and close contact cohorts
The local and systemic response to SARS-CoV-2 infection in children and adults
Automatic identification of risk factors for SARS-CoV-2 positivity and severe clinical outcomes of COVID-19 using Data Mining and Natural Language Processing
Deep learning-based identification of genetic variants: Application to Alzheimer's disease classification
Association between polygenic propensity for a psychiatric disorder and nutrient intake
Impact of accelerating booster vaccination amidst Omicron surge in the United States
Assessing COVID prevention strategies to permit the safe opening of college campuses in fall 2021
A Geospatial Analysis of salmonellosis and its with socioeconomic status in Texas
A human multisystem disorder with autoinflammation, leukoencephalopathy and hepatopathy is caused by mutations in C2orf69
Identifying opportunities for improving the organ supply through race-stratified data
History of premorbid depression is a risk factor for COVID-related mortality: Analysis of a retrospective cohort of 1,387 COVID+ patients
Examining the Association between the COVID-19 Pandemic and Self-Harm Death Counts in Four Canadian Provinces
Evaluation of saliva molecular point of care for detection of SARS-CoV-2 in ambulatory care
Infectious SARS-CoV-2 in Exhaled Aerosols and Efficacy of Masks During Early Mild Infection
A study of metabolic syndrome in patients of HIV on ART in India
On the hip abduction moment required to balance on one leg: an experimental study
Alcohol consumption in the general population is associated with structural changes in multiple organ systems: A population-based study in UK Biobank
Comparative Analysis of Major Incident Triage Tools in Children. A UK population based analysis.
Additional heterologous versus homologous booster vaccination in immunosuppressed patients without SARS-CoV-2 antibody seroconversion after primary mRNA vaccination: a randomized controlled trial
Respiratory and non-respiratory manifestations in children admitted with COVID 19 in Rio de Janeiro city, Brazil
SARS-CoV-2 Seroprevalence and Risk Factors among Convalescents in Sichuan Province, China: a retrospective cohort study
Effects of 105 biological, socioeconomic, behavioural, and environmental factors on the risk of SARS-CoV-2 infection and a severe course of Covid-19: A prospective longitudinal study
Genetic Variations in Evolutionary Accelerated Regions Disrupt Cognition in Schizophrenia