Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Oxygen provision to severely ill COVID-19 patients at the peak of the 2020 pandemic in a Swedish district hospital
Occupational exposures and mitigation strategies among homeless shelter workers at risk of COVID-19
Comparison of Phase Angle Using Bioelectrical Impedance Analysis According to Device Type and Examination Posture
Dramatic drop of new SARS-CoV-2 infections among health care workers after the first dose of the BNT162b2 mRNA Covid-19 Vaccine
Optimizing the spatio-temporal allocation of COVID-19 vaccines: Italy as a case study
COVID-19 in Japan: insights from the first three months of the epidemic
Identifying SARS-CoV-2 regional introductions and transmission clusters in real time
Performance of three rapid antigen tests against the SARS-CoV-2 Omicron variant
Geospatial distribution of Hepatitis B prevention services in Wakiso District, Central Uganda
A randomised controlled pilot trial of oral 11β-HSD1 inhibitor AZD4017 for wound healing in adults with type 2 diabetes mellitus
Efficacy and Safety of a Booster Regimen of Ad26.COV2.S Vaccine against Covid-19
Deep learning identified genetic variants associated with COVID-19 related mortality
Acceptability and efficacy of vaginal self-sampling for genital infection and bacterial vaginosis: A large, cross-sectional, non-inferiority trial
Modelling COVID -19 Transmission in a Hemodialysis Centre Using Simulation Generated Contacts Matrices
Selection of appropriate reference genes for normalization of qRT-PCR based gene expression analysis in SARS-CoV-2, and Covid-associated Mucormycosis infection
An overview of the National COVID-19 Chest Imaging Database: data quality and cohort analysis
Population Estimates of People with Spina Bifida in the United States in 2020
Acceptability and associated factors of indoor residual spraying for Malaria control by households in Luangwa district of Zambia: A multilevel analysis
Clinical and spatial characteristics of Severe Acute Respiratory Syndrome by COVID-19 in Indigenous of Brazil
Timeliness of U.S. mortality data releases during the COVID-19 pandemic: delays are associated with electronic death registration system and elevated weekly mortality
ABO blood group type does not influence the level of SARS-CoV-2 antibody response in convalescent plasma donors
Weakly supervised learning for multi-organ adenocarcinoma classification in whole slide images
Is attachment style in early childhood associated with mental health difficulties in late adolescence?
Escherichia marmotae - a human pathogen easily misidentified as Escherichia coli
Reopening International Borders without Quarantine: Contact Tracing Integrated Policy against COVID-19
The inhibition of Macrophage Migration Inhibitory Factor by ISO-1 attenuates trauma-induced multiorgan dysfunction in rats