Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: ADataViewer: Exploring Semantically Harmonized Alzheimer's Disease Cohort Datasets
Spatial Association of Respiratory Health with Social and Environmental Factors: Case Study of Cook County, IL
Endemicity is not a victory: the unmitigated downside risks of widespread SARS-CoV-2 transmission
Comparative Effects of E-cigarette Aerosol on Periodontium
Association of Obesity with COVID-19 Severity and Mortality: A Systemic Review and Meta-Regression
Genetic predisposition to psychiatric disorders and risk of COVID-19
Sero-surveillance for IgG to SARS-CoV-2 at antenatal care clinics in two Kenyan referral hospitals
Effects of Confounding Bias in COVID-19 and Influenza Vaccine Effectiveness Test-Negative Designs Due to Correlated Influenza and COVID-19 Vaccination Behaviors
Attitudes towards a mandatory COVID-19 vaccination in France for the general population or healthcare workers in May 2021
Confirmed forecasts for the expansion of the COVID-19 epidemic in the largest Brazilian City
Early-Life Circumstances and Racial Disparities in Cognition among US Older Adults
COVID-19 vaccine hesitancy and vaccine passports: Vaccination or restriction?
Improving air quality and health in Northern Italy: limits and perspectives
Attitudes to health promotion among teaching staff in South West England: a qualitative study
Obesity and accelerated epigenetic aging in a high-risk cohort of children
BNT162b2 mRNA Covid-19 vaccine does not impair sperm parameters
The Ecological Structure of Mosquito Population Seasonal Dynamics
Development of the one-step qualitative RT-PCR assay to detect SARS-CoV-2 Omicron (B.1.1.529) variant in respiratory specimens
Open label phase I/II clinical trial and predicted efficacy of SARS-CoV-2 RBD protein vaccines SOBERANA 02 and SOBERANA Plus in children
A methodology to generate epidemic scenarios for emerging infectious diseases based on the use of key calendar events
Impact of Vaccination, Prior Infection, and Therapy on Delta and Omicron Variants
Pregnancy loss and postpartum mortality in a sub-Saharan African setting
Did COVID-19 Vaccines Go to the Whitest Neighborhoods First? Racial Inequities in Six Million Phase 1 Doses Shipped to Pennsylvania
Altered EEG markers of synaptic plasticity in a human model of NMDA receptor deficiency: anti-NMDA receptor encephalitis
Susceptibility of zero community transmission regimes to new variants of SARS-CoV-2: a modelling study of Queensland
The impact of COVID-19 pandemic on the provision of ambulatory care for patients with chronic neurological diseases in Japan: evaluation of an administrative claims database