Instruct: Identify the main category of medRxiv papers based on their titles.
Query: Hemodilution in High Risk Cardiac Surgery: Laboratory Values, Physiological Parameters and Outcomes
Field Testing of a Decision Support Tool for Acute Appendicitis using an Online Randomized Experimental Design
SARS-CoV-2 Omicron has extensive but incomplete escape of Pfizer BNT162b2 elicited neutralization and requires ACE2 for infection
A comparison of performance metrics for cloth face masks as source control devices for simulated cough and exhalation aerosols
Failure of Concentric Regulatory Zones to Halt the Spread of COVID-19 in South Brooklyn, New York: October-November 2020
Agile design and development of a high throughput cobas(R) SARS-CoV-2 RT-PCR diagnostic test
Quantifying within-school SARS-CoV-2 transmission and the impact of lateral flow testing in secondary schools in England
Use of medicinal plants for COVID-19 prevention and respiratory symptom treatment during the pandemic in Cusco, Peru: A cross-sectional survey
Viral genetic sequencing identifies staff transmission of COVID-19 is important in a community hospital outbreak
Elevated plasma Complement Factor H Regulating Protein 5 is associated with venous thromboembolism and COVID-19 severity
Extracellular vesicle-bound DNA in urine is indicative of kidney allograft injury
Ventilation procedures to minimize the airborne transmission of viruses at schools
Psychological distress across adulthood: test-equating in three British birth cohorts
Optimizing testing for COVID-19 in India
Racial and ethnic disparities in maternal mental health during COVID-19
Insights from a Pan India Sero-Epidemiological survey (Phenome-India Cohort) for SARS-CoV2
Distinct transcriptomic signature of mRNA and microRNA in ulcerative colitis and irritable bowel syndrome
Main COVID-19 information sources in a culturally and linguistically diverse community in Sydney, Australia: A cross-sectional survey
History of suicide attempts and COVID-19 infection in Veterans with schizophrenia or schizoaffective disorder: effect modification by age and obesity
Early assessment of the clinical severity of the SARS-CoV-2 Omicron variant in South Africa
Prophylaxis for covid-19: living systematic review and network meta-analysis
Reliably Assessing Duration of Protection for COVID-19 Vaccines
Estimation and worldwide monitoring of the effective reproductive number of SARS-CoV-2
Uganda Genome Resource: A rich research database for genomic studies of communicable and non-communicable diseases in Africa
Racial and ethnic disparities in COVID-19 disease incidence independent of comorbidities, among people with HIV in the US
Mental Illness Self-Stigma in Young People: A Scoping Review Protocol