Instruct: Identify the main category of Medrxiv papers based on the titles.
Query: Protocol: A two-wave cross-sectional study in England investigating suicidal behaviour and self-harm amongst healthcare workers during the Covid-19 pandemic
Research on the Emotions of Uninfected People during the COVID-19 Epidemic in China
Impaired Humoral and Cellular Immunity after SARS-CoV2 BNT162b2 (Tozinameran) Prime-Boost Vaccination in Kidney Transplant Recipients
Predicting Stroke and Mortality in Mitral Regurgitation: A Gradient Boosting Approach
Reinfection by the SARS-CoV-2 P.1 variant in blood donors in Manaus, Brazil
Therapeutic Anticoagulation in Non-Critically Ill Patients with Covid-19
Evolving Phenotypes of non-hospitalized Patients that Indicate Long Covid
Surveillance genome sequencing reveal multiple SARS-CoV-2 variants circulating in the central Texas, USA with a predominance of Delta variant and review of vaccine breakthrough cases.
Racial/Ethnic Disparities in the Observed COVID-19 Case Fatality Rate Among the U.S. Population
The Individual and Social Determinants of COVID-19 Diagnosis in Ontario, Canada: A Population-Wide Study
Durability and cross-reactivity of SARS-CoV-2 mRNA vaccine in adolescent children
Prioritizing allocation of COVID-19 vaccines based on social contacts increases vaccination effectiveness
Identifying patients at high risk of inappropriate drug dosing in periods with renal dysfunction
Sentinel seroprevalence of SARS-CoV-2 in the Gauteng province, South Africa August to October 2020.
First genotype-phenotype study in TBX4 syndrome: gain-of-function mutations causative for lung disease
Assessing the Impact of the Covid-19 Pandemic on US Mortality: A County-Level Analysis
Adaptation of HL7 FHIR for the exchange of patients' gene expression profiles
Optimising Early Management of Acute Severe Ulcerative Colitis in the Biologics Era: Admission Model for Intensification of Therapy in Acute Severe Colitis (ADMIT-ASC)
Hemodynamic Differences Between Women and Men with Elevated Blood Pressure in China
Discharge prediction of critical patients with spinal cord injury: a machine learning study with 1485 cases
Application of nasal spray containing dimethyl sulfoxide (DMSO) and ethanol during the COVID-19 pandemic may protect healthcare workers: A randomized controlled trials
Assessing and improving the validity of COVID-19 autopsy studies - a multi center approach to establish essential standards for immunohistochemical and ultrastructural analyses
No Significant Difference in Viral Load Between Vaccinated and Unvaccinated, Asymptomatic and Symptomatic Groups Infected with SARS-CoV-2 Delta Variant
Maternal immune activation induces methylation changes in schizophrenia genes
A feasibility study to test a novel approach to dietary weight loss with a focus on assisting informed decision making in food selection
Predictive modeling of morbidity and mortality in COVID-19 hospitalized patients and its clinical implications.