Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Trends in Homeschooling Rates Following Elimination of Nonmedical Exemptions to Childhood Immunizations, 2012-2020
Phased implementation of COVID-19 vaccination: rapid assessment of policy adoption, reach and effectiveness to protect the most vulnerable in the US
Monitoring tubular epithelial cell damage in AKI via urine flow cytometry
SARS-CoV-2 infections in 171 countries and over time
PCSK6 and Survival in Idiopathic Pulmonary Fibrosis
Antibody response to SARS-CoV-2 mRNA vaccine in lung cancer patients: Reactivity to vaccine antigen and variants of concern.
Three-month follow-up of heterologous vs homologous third vaccination in kidney transplant recipients
The validation of a mobile sensor-based neurobehavioral assessment with machine learning analytics
Differences in Declines in Pediatric ED Utilization During the Covid19 Pandemic by Socioeconomic Disadvantage.
Molecular Epidemiology of SARS-CoV-2 in Cyprus
Development of Electrospun Nanofibrous Filters for Controlling Coronavirus Aerosols
Serious underlying medical conditions and COVID-19 vaccine hesitancy.
The tiered restrictions enforced in November 2020 did not impact the epidemiology of the second wave of COVID-19 in Italy.
Higher body mass index raises immature platelet count: evidence from Mendelian randomization analyses
Development and validation of a multiplex real-time qPCR assay using GMP-grade reagents for leprosy diagnosis.
Genetics of the human microglia regulome refines Alzheimer's disease risk loci
Infant malnutrition in low- and middle-income countries: assessment and prevalence of small and nutritionally at-risk infants aged under 6 months in 54 Demographic & Health Survey datasets
Factors Associated With Post-craniotomy Headache After Microvascular Decompression in Hemifacial Spasm? A Retrospective Study
Resident microbes shape the vaginal epithelial glycan landscape
Cognitive, emotional, and social functioning of preschoolers with attention deficit hyperactivity problems
More rapid, robust and sustainable antibody responses to mRNA COVID-19 vaccine in convalescent COVID-19 individuals
The causal effects of chronic air pollution on the intensity of COVID-19 disease: Some answers are blowing in the wind
Topical anticholinergic medications for primary hyperhidrosis: A protocol for systematic review and meta-analysis
Autosomal recessive SLC30A9 Mutations in a Proband with a Cerebro-Renal Syndrome and No Parental Consanguinity
Cost-effectiveness of Stockholm3 test and magnetic resonance imaging in prostate cancer screening: a microsimulation study
Describing the burden of the COVID-19 pandemic in people with psoriasis: findings from a global cross-sectional study