Instruct: Identify the main category of a medRxiv paper based on its title.
Query: Why did the children stop coming? Reasons for paediatric emergency department attendance decrease during the first wave of the COVID-19 pandemic in the United Kingdom: A qualitative study
Human Milk Antibodies Elicited by BNT162b2 Vaccination Target have reduced activity against SARS-CoV-2 Variants of Concern
Waist circumference thresholds predicting incident dysglycemia and type 2 diabetes in Black African men and women
Beyond poverty as a proxy: reducing inequality in infant mortality by identifying and targeting higher risk births
Intention of health care workers to accept COVID-19 vaccination and related factors: a systematic review and meta-analysis
The Microbiome in Adult Acute Appendicitis
The usefulness of D-dimer as a predictive marker for mortality in patients with COVID-19 hospitalized during the first wave in Italy.
Sustained seroprevalence of anti SARS-CoV-2 total immunoglobulins in asymptomatic blood donors
An observational study of the association between COVID-19 vaccination rates and entry into the "Million Dollar Vax" competition
Protection following BNT162b2 booster substantially exceeds that of a fresh 2-dose vaccine: a quasi-experimental study
Development of Electrospun Nanofibrous Filters for Controlling Coronavirus Aerosols
Risk factors associated with development and persistence of long COVID
Intact finger representation within primary sensorimotor cortex of Musicians Dystonia
Ultrasensitive assay for saliva-based SARS-CoV-2 antigen detection.
Deep learning identified genetic variants associated with COVID-19 related mortality
The Nicaraguan Pediatric Influenza Cohort Study, 2011-2019: influenza incidence, seasonality, and transmission
The SARS-CoV-2 receptor angiotensin-converting enzyme 2 (ACE2) in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: analysis of high-throughput epigenetic and gene expression studies
Association of Increased Fluvoxamine Use with Reports of Benefit for COVID
Total Infectomes Characterization of Respiratory Infections in pre-COVID-19 Wuhan, China
Transmission potential of vaccinated and unvaccinated persons infected with the SARS-CoV-2 Delta variant in a federal prison, July-August 2021
Modeling effectiveness of testing strategies to prevent COVID-19 in nursing homes--United States, 2020
Accuracy-time optimisation with cost-sensitive feature selection for Alzheimer's disease diagnosis
Detection and quantification of SARS-CoV-2 RNA in wastewater influent in relation to reported COVID-19 incidence in Finland
Exploring U.S. food system workers' intentions to work while ill during the early COVID-19 pandemic: a national survey analysis
Polygenic effect on accelerated tau pathology accumulation in Alzheimer's disease: Implications for patient selection in clinical trials
Genetic risk factors have a substantial impact on healthy life years