Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Duration of Oxygen Requirement and Predictors in Severe COVID-19 Patients in Ethiopia: A Survival Analysis
Robust immune responses after one dose of BNT162b2 mRNA vaccine dose in SARS-CoV-2 experienced individuals
A machine learning-based holistic approach for diagnoses within the Alzheimer's disease spectrum
An Effective and Reliable Methodology for Deep Machine Learning Application in Caries Detection
The impact of varying class sizes on epidemic spread in a university population
Microbiome profiles are associated with cognitive functioning in 45-month-old children
Time-specific effects of a multifaceted intervention on accelerometer-measured physical activity in primary school children: A cluster-randomized controlled trial
Heart rate and heart rate variability in patients with chronic inflammatory joint disease: The role of pain duration and the insular cortex
Regional healthy brain activity, glioma occurrence and symptomatology
Assessment of presentation patterns of repetitive behaviors in Autism: a cross-sectional video-recording study. Preliminary report.
Ensuring a successful transition from Pap to HPV-based primary screening in Canada: a study protocol to investigate the psychosocial correlates of women's screening intentions
Solar UV B/A Radiation is Highly Effective in Inactivating SARSCoV2
NeuroSmog: Determining the impact of air pollution on the developing brain: project protocol
Intraoperative adjustment of radiographic standard projections of the spine: Interrater- and intrarater variance and consequences of fluoro-hunting considering time and radiation exposure. A cadaveric study
Assessment of knowledge, attitude and practices among Accredited Social Health Activists (ASHAs) towards COVID-19: a descriptive cross-sectional study in Tripura, India
Increased frequency of CHD1 deletions in prostate cancers of African American men is associated with distinct homologous recombination deficiency associated DNA aberration profiles
Shared Decision Making for Patients Hospitalized with Acute Myocardial Infarction. A Randomized Trial
SARS-CoV-2 antibody prevalence in Sierra Leone, March 2021: a cross-sectional, nationally representative, age-stratified serosurvey
Effect of Increased Alcohol Consumption During COVID-19 Pandemic on Alcohol-related Liver Disease: A Modelling Study
Study protocol: Strengthening understanding of effective adherence strategies for first-line and second-line antiretroviral therapy (ART) in selected rural and urban communities in South Africa
EFFECTS OF HIV INFECTION AND FORMER COCAINE DEPENDENCE ON NEUROANATOMICAL MEASURES AND NEUROCOGNITIVE PERFORMANCE
Use of health care services during the Covid-19 pandemic in Ethiopia: Evidence from a health facility survey
Genome-wide Analysis Identifies Novel Gallstone-susceptibility Loci Including Genes Regulating Gastrointestinal Motility
Prospective cohort study of workers diagnosed with COVID-19 and subsequent unemployment
Modelling COVID-19 evolution in Italy with an augmented SIRD model using open data
A mixed-methods study of risk factors and experiences of healthcare workers tested for the novel coronavirus in Canada