Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Seroepidemiology of SARS-CoV-2 infections in an urban Nicaraguan population
Efficacy of SARS-CoV-2 wastewater surveillance for detection of COVID-19 at a residential private college
Association of Sleep-Disordered Breathing With Cardiovascular Events and Death in patients With Ischemic Heart Disease：A systematic review and meta-analysis
Acceptance of COVID 19 vaccine among sub-Sahara African (SSA): a comparative study of residents and diaspora dwellers
Aspirin Use is Associated with Decreased Mortality in Patients with COVID-19: A Systematic Review and Meta-analysis
Speech cortical activation and connectivity in typically developing children and those with listening difficulties
ACE gene variants rise the risk of severe COVID-19 in patients with hypertension, dyslipidemia or diabetes. A pilot study
Pilot study on the use of low molecular weight heparins in the prevention of thromboembolic disease during pregnancy and puerperium.
Understanding malnutrition management through a socioecological lens: Evaluation of a community-based child malnutrition program in rural Uganda
COVID-19-associated school closures and related efforts to sustain education and subsidized meal programs, United States, February 18-June 30, 2020
THE US MIDLIFE MORTALITY CRISIS CONTINUES: INCREASED DEATH RATES FROM CAUSES OTHER THAN COVID-19 DURING 2020
UV-C irradiation is highly effective in inactivating SARS-CoV-2 replication
Depression and anxiety during 2019 coronavirus disease pandemic in Saudi Arabia: a cross-sectional study
Estimating COVID-19 cases and deaths prevented by non-pharmaceutical interventions, and the impact of individual actions: a retrospective model-based analysis
Predictors of SARS-CoV-2 infection in a multi-ethnic cohort of United Kingdom healthcare workers: a prospective nationwide cohort study (UK-REACH)
Telecommuting frequency and preference among Japanese workers according to regional cumulative COVID-19 incidence: a cross-sectional study
Nationwide surveillance of methicillin-resistant Staphylococcus aureus isolated from bloodstream infections in Japan
Optimal Deployment of Automated External Defibrillators in a Long and Narrow Environment
Beyond well-mixed: a simple probabilistic model of airborne disease transmission in indoor spaces
Classification of Brain Injury Pathophysiology With GFAP and UCH-L1
Renewable Energy Use in Australian Public Hospitals
A tipping point in cancer-immune dynamics leads to divergent immunotherapy responses and hampers biomarker discovery
Using multivariate models to examine the impact of COVID-19 pandemic and gender differences on health and health care
Title: Health and Healthcare Variables Associated with Italy's Excess Mortality during the First Wave of the COVID-19 pandemic: An Ecological Study.
A recurrent SHANK3 frameshift variant in Autism Spectrum Disorder
Anaesthetic Higher Specialty Training Recruitment in the United Kingdom During the COVID-19 Pandemic: A National Survey