Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Tocilizumab and mortality in hospitalised patients with covid-19. A systematic review comparing randomised trials with observational studies
Persisting decreases in state and trait anxiety post-psilocybin: A naturalistic, observational study among retreat attendees
Survey of contaminated percutaneous injuries in anesthesiologists
Humoral response to the BBIBP-CorV vaccine over time in healthcare workers with or without exposure to SARS-CoV-2
Helicobacter pylori infection reduces likelihood of death from advanced cancer: A longitudinal analysis from the Japanese DAIKO prospective cohort study
Lack of benefit of temozolomide for MGMT methylated patients with high vascular glioblastoma: a confirmatory study.
Risk and severity of SARS-CoV-2 reinfections during 2020-2022 in Vojvodina, Serbia: a population-level study
Potential contribution of climate conditions on COVID-19 pandemic transmission over West and North African countries
Investigating the DNA methylation profile of e-cigarette use
The Effect of Weather Pattern on the Second Wave of Coronavirus: A cross study between cold and tropical climates of France, Italy, Colombia, and Brazil
IFI27 transcription is an early predictor for COVID-19 outcomes; a multi-cohort observational study
Social Capital Dimensions are Differentially Associated with COVID-19 Vaccinations, Masks, and Physical Distancing
A randomized, double-blind, controlled trial of convalescent plasma in adults with severe COVID-19
Climate Change and Child Health - Assessment of Parents' Perspective and Relevance
The development and usability testing of digital knowledge translation tools for parents of children with acute otitis media
Phospholipase D3 contributes to Alzheimer's disease risk via disruption of Aβ clearance and microglia response to amyloid plaques
Hypertension perspectives and health behaviors of African youth: The effect of health education and employment
SARS-CoV-2 IgG detection in human oral fluids
Biofabrication of multiplexed electrochemical immunosensors for simultaneous detection of clinical biomarkers in complex fluids
Relative humidity predicts day-to-day variations in COVID-19 cases in the city of Buenos Aires
Use of WATCH antibiotics prior to presentation to the hospital in rural Burkina Faso
Age-Related Macular Degeneration, Cardiovascular Disease and Stroke
The Relationship of Vaccine Uptake and COVID-19 Infections among Nursing Home Staff and Residents in Missouri
Obesity and accelerated epigenetic aging in a high-risk cohort of children
The Omicron variant mutation at position 28,311 in the SARS-CoV-2 N gene does not perturb CDC N1 target detection
Can individuals with low antibody responses to conventional antiviral vaccines acquire adequate antibody by the SARS-CoV-2 mRNA vaccine?