Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Epidemiological, clinical Characteristics and mortality of patients Infected with SARS-CoV-2 Admitted of Kinshasa University Hospital, Democratic Republic of the Congo from March 24, 2020 to January 30, 2021: Two waves, two faces?
Quantifying the potential for dominant spread of SARS-CoV-2 variant B.1.351 in the United States
Ethnic differences in COVID-19 mortality in the second and third waves of the pandemic in England during the vaccine roll-out: a retrospective, population-based cohort study
Online tests for sexually transmitted infections - Friend or Foe? An analysis of providers in the United Kingdom.
Diagnostic evaluation of the presence of residues of glyphosate-AMPA and 2.4D pesticides in urine samples from people living in a rural Brazilian community.
Neighborhood Disadvantage and Active, Disabled and Total Life Expectancy Among Community-living Older Persons
Timing of elective tracheotomy and duration of mechanical ventilation amongst patients admitted to intensive care with severe COVID-19: a multicentre prospective cohort study
Effect of short-term heating on bioefficacy of deltamethrin-coated long-lasting insecticidal nets
AImmune: a new blood-based machine learning approach to improving immune profiling analysis on COVID-19 patients
Impact of the COVID-19 pandemic on the mental health and wellbeing of parents with young children: a qualitative interview study
Non-medical COVID-19-related personal impact in medical ecological perspective: A global multileveled, mixed method study
Accurate and reproducible prediction of ICU readmissions
Immunogenicity and reactogenicity of booster vaccinations after Ad26.COV2.S priming
Potential use of antibodies to provide an earlier indication of lymphatic filariasis resurgence in post-mass drug administration surveillance, American Samoa
Changes to hypothalamic volume and associated subfields during gender-affirming hormone treatment in gender dysphoria
Deep Learning for Predicting Cognitive Gap as a Reliable Biomarker of Dementia
Quantification of seizure termination patterns reveals limited pathways to seizure end
NeuroEPO improves cognition in Parkinson's disease. Preliminary report.
Case-control study of neuropsychiatric symptoms following COVID-19 hospitalization in 2 academic health systems
Impact of training modules on physicians perspective of COVID-19: An online survey
Dynamics of mask use as a prevention strategy against SARS-Cov-2 in Panama
Muscle Strength Explains the Protective Effect of Physical Activity against COVID-19 Hospitalization among Adults aged 50 Years and Older
Validation of Kiswahili Version of WHOQOLHIVBREF questionnaire among people living with HIV/AIDS in Tanzania: a cross-sectional study.
Development of an ensemble machine learning prognostic model to predict 60-day risk of major adverse cardiac events in adults with chest pain
The genetic architecture of Alzheimer disease risk in the Ohio and Indiana Amish
The occurrence and characteristics of severe pain in patients with axial spondyloarthritis