Instruct: Identify the main category of medRxiv papers based on their titles.
Query: Staffing levels and hospital mortality in England: a national panel study using routinely collected data
A Cross Sectional Study to Assess Perception and Behavior towards COVID-19 Vaccine Among Students and Faculties of Nursing Colleges at Anand and Kheda Districts, Gujarat
Nasal systems immunology identifies inflammatory and tolerogenic myeloid cells that determine allergic outcome following challenge
Comprehensive analysis of Histone deacetylases genes in the prognosis and immune infiltration of glioma patients
Genomic surveillance of SARS-CoV-2 in the Bronx enables clinical and epidemiological inference
Risk assessment for airborne disease transmission by poly-pathogen aerosols
An atlas of associations between polygenic risk scores from across the human phenome and circulating metabolic biomarkers
Sleep health education and a personalized smartphone application improve sleep and productivity and reduce healthcare utilization among employees: Results of a randomized clinical trial
Effect of vaccination on transmission of COVID-19: an observational study in healthcare workers and their households
Diurnal variation in SARS-CoV-2 PCR test results: Test accuracy may vary by time of day
Seroprevalence of SARS-CoV-2 antibodies prior to the widespread introduction of vaccine programmes in the WHO European Region, January - December 2020: a systematic review
Elastin degradation markers are elevated in never-smokers with past history of prolonged exposure to secondhand tobacco smoke and are inversely associated with their lung function
Symptoms and risk factors for hospitalization of COVID-19 presented in primary care
Quantifying spatial heterogeneity of malaria in the endemic Papua region of Indonesia: analysis of epidemiological surveillance data
Mask adherence and rate of COVID-19 across the United States
Secondary attack rates of COVID-19 in Norwegian families: A nation-wide register-based study
Persistence, prevalence, and polymorphism of sequelae after COVID-19 in young adults
Immune Markers Are Associated with Cognitive Performance in a Multiethnic Cohort: the Northern Manhattan Study
Combined treatment of nightmares with targeted memory reactivation and imagery rehearsal therapy: a randomized controlled trial
Predominance of Distinct Autoantibodies in Response to SARS-CoV-2 Infection
Association between overcrowded households, multigenerational households, and COVID-19: a cohort study
The Role of Physical Environmental Characteristics and Intellectual Disability in Conduct Problem Trajectories Across Childhood: A Population-Based Cohort Study
Open label phase I/II clinical trial and predicted efficacy of SARS-CoV-2 RBD protein vaccines SOBERANA 02 and SOBERANA Plus in children
The interaction between lifetime depression severity and BMI is related to altered activation pattern in the right inferior frontal gyrus during food anticipation
Genetic evidence supports the development of SLC26A9 targeting therapies for the treatment of lung disease
Twins in Guinea-Bissau have a 'thin-fat' body composition compared to singletons