Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Age-Based Disparities in Hospitalizations and Mortality for Coronavirus Disease 2019 (COVID-19)
Tracking the temporal variation of COVID-19 surges through wastewater-based epidemiology during the peak of the pandemic: a six-month long study in Charlotte, North Carolina
Rapid displacement of SARS-CoV-2 variants within Japan correlates with cycle threshold values on routine RT-PCR testing
Analysis of immunization time, amplitude, and adverse events of seven different vaccines against SARS-CoV-2 across four different countries.
Trends in Diabetes Biomarkers and Treatment Statuses of Non-Institutionalized Canadians: Canadian Health Measures Survey 2007 to 2015
Patterns of adverse childhood experiences and associations with prenatal substance use and poor infant outcomes in a multi-country cohort of mothers: A Latent Class Analysis
Optimal Selection of COVID-19 Vaccination Sites at the Municipal Level
Environmental Exposure to Respirable Particles and Estimated Risk of Sarcoidosis: A systematic Review and Meta-Analysis
High mortality of COVID-19 associated mucormycosis in France: a nationwide retrospective study
Characteristics of Kenyan Women Enrolled in a Trial on Doxycycline Post-exposure Prophylaxis for Sexually Transmitted Infection Prevention
Variant landscape of the RYR1 gene based on whole genome sequencing of the Singaporean population
Changing dynamics of SARS-CoV2 B.1.617.2 (Delta variant) outbreak in the United Kingdom: Shifting of SARS-CoV2 infections from younger to elderly populations with increasing hospitalizations and mortality among elderly.
High-resolution within-sewer SARS-CoV-2 surveillance facilitates informed intervention
Melanoma Skin Cancer Detection using Deep Learning
Automated Multilabel Diagnosis on Electrocardiographic Images and Signals
An increase in willingness to vaccinate against COVID-19 in the US between October 2020 and February 2021: longitudinal evidence from the Understanding America Study
Immunogenicity of the third and fourth BNT162b2 mRNA COVID-19 boosters and factors associated with immune response in systemic lupus erythematosus and rheumatoid arthritis patients
Depressive Symptoms and Negative Experiences in School: A Network Analysis
ctDNA detection by personalised assays in early-stage NSCLC
Plasma S-Adenosylmethionine is Associated with Lung Injury in COVID-19
The antibody landscapes against Group 1 and 2 influenza virus hemagglutinin following AS03 and MF59 adjuvanted H5N1 vaccination
Performance evaluation of the Roche Elecsys Anti-SARS-CoV-2 S immunoassay
Physical activity-correlated changes in plasma enzyme concentrations in fragile sarcolemmal muscular dystrophies
Status Quo and Influencing Factors of Family Doctors Performance in Dongguan City
Leveraging fine-mapping and non-European training data to improve trans-ethnic polygenic risk scores
The impact of the COVID-19 pandemic on influenza, respiratory syncytial virus, and other seasonal respiratory virus circulation in Canada