Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Healthcare-associated COVID-19 in England: a national data linkage study
Rapid increase of SARS-CoV-2 variant B.1.1.7 detected in sewage samples from England between October 2020 and January 2021
Disruptions in Care: Consequences of the COVID-19 Pandemic in a Children's Hospital
Estimating the state of the Covid-19 epidemic curve in Mayotte during the period without vaccination
Strategies for COVID-19 vaccination under a shortage scenario: a geo-stochastic modelling approach.
Lockdowns exert selection pressure on overdispersion of SARS-CoV-2 variants
Artificial Intelligence Sepsis Prediction Algorithm Learns to Say "I don't know"
Maternal psychiatric diagnosis and comorbidities around pregnancy
Anti-GM-CSF autoantibodies promote a pre-diseased state in Crohns Disease.
Impact of the national test strategy on the development of the Covid-19 pandemic in Denmark
Non-medical COVID-19-related personal impact in medical ecological perspective: A global multileveled, mixed method study
Returning Actionable Genomic Results in a Research Biobank: Analytic Validity, Clinical Implementation and Resource Utilization
Spatio-temporal analysis and prediction of malaria cases using remote sensing meteorological data in Diebougou health district, Burkina Faso, 2016-2017
Effectiveness of Wolbachia-infected mosquito deployments in reducing the incidence of dengue and other Aedes-borne diseases in Niteroi, Brazil: a quasi-experimental study
Maternal Levels of Acute Phase Proteins in Early Pregnancy and Risk of Autism Spectrum Disorders in Offspring
Characteristics that modify the effect of small-quantity lipid-based nutrient supplementation on child anemia and micronutrient status: an individual participant data meta-analysis of randomized controlled trials
Prefrontal Cortex Definitions and Their Use in Distinguishing Pornography Addicted Juveniles
Racial and Ethnic Disparities in Years of Potential Life Lost Attributable to COVID-19 in the United States: An Analysis of 45 States and the District of Columbia
Can a COVID-19 vaccination program guarantee the return to a pre-pandemic lifestyle?
Quantifying changes in vaccine coverage in mainstream media as a result of COVID-19 outbreak
Modeling the systemic risks of COVID-19 on the wildland firefighting workforce
Behavioral and neural dissociation of social anxiety and loneliness
What works for whom with telemental health? A rapid realist review
Genome-wide analysis of 102,084 migraine cases identifies 123 risk loci and subtype-specific risk alleles
Heterogeneity of Provider Preferences for HIV Care Coordination Program Features: Latent Class Analysis of a Discrete Choice Experiment
Cardiac Inflammation after COVID-19 mRNA Vaccines: A Global Pharmacovigilance Analysis