Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: The impact of COVID passport mandates on the number of cases of and hospitalizations with COVID-19 in the UK: a difference-in-differences analysis
Prophylactic and reactive vaccination strategies for healthcare workers against MERS-CoV
COVID-19 outcomes associated with clinical and demographic characteristics in patients hospitalized with severe and critical disease in Peshawar
Danger signs and management of suspected severe malaria cases at community level and in referral health facilities: an operational study in the Democratic Republic of the Congo
DEVELOPMENT OF DISASTER EDUCATION IN THE INITIAL HANDLING OF MULTI-AGENT-BASED EMERGENCIES IN THE PRE-HOSPITAL AREA.
Screening for safe opening of universities under Omicron and Delta variants of COVID-19: When less is more
An Extended Susceptible-Exposed-Infected-Recovered (SEIR) Model with Vaccination for Predicting the COVID-19 Pandemic in Sri Lanka
Novel prognostic determinants of COVID-19-related mortality: a pilot study on severely-ill patients in Russia
Liver Volumetry from Magnetic Resonance Images with Convolutional Neural Networks
Immunogenicity of the third and fourth BNT162b2 mRNA COVID-19 boosters and factors associated with immune response in systemic lupus erythematosus and rheumatoid arthritis patients
"This is really like waiting for war and this is not good" - Intertwining between pandemic experiences, and the development of professional action of healthcare professionals in critical care at the beginning of the COVID-19 pandemic in Germany: a qualitative study
Mortality in Rural Coastal Kenya measured using the Kilifi Health and Demographic Surveillance System: A 16-year descriptive analysis
Knowledge and aptitude of early childhood, primary and/or secondary education teachers referred to first aid measures in dental trauma in the province of Seville (Spain.)
Determinants of COVID-19 vaccine hesitancy and vaccine uptake in a national cohort of U.S. adults
Multiple sclerosis cortical lesion detection with deep learning at ultra-high-field MRI
Left ventricular hypertrophy subtype and long-term mortality in those with subclinical cardiovascular disease: The Multi-Ethnic Study of Atherosclerosis (MESA)
Unrecognized introductions of SARS-CoV-2 into the state of Georgia shaped the early epidemic
Negative Excess Mortality in Pneumonia Death caused by COVID-19 in Japan
Association between willingness to receive the COVID-19 vaccine and sources of health information among Japanese workers: a cohort study
You're too young to have an eye problem: Reasons for nonadherence to referrals for follow-up eye care for schoolchildren in Nigeria -- a descriptive qualitative study
Cleaning and disinfecting surfaces in hospitals and long-term care facilities for reducing hospital and facility-acquired bacterial and viral infections: A systematic review
Global biobank analyses provide lessons for computing polygenic risk scores across diverse cohorts
Data-driven prognosis for COVID-19 patients based on symptoms and age
Is the vitamin D status of patients with COVID-19 associated with reduced mortality?
Systematic literature review examining the mere-measurement effect of patient reported measures: the interaction of emotional valence and frequency of exposure as an independent factor in patient change
Diagnostic accuracy and predictive value of clinical symptoms for the diagnosis of mild COVID 19