Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Physician Perceptions of Catching COVID-19
Cost-effectiveness analysis of BNT162b2 COVID-19 booster vaccination in the United States
Japanese national well-being survey shows that living alone results in lower satisfaction and affects other relationships, while social networking service usage is related to life satisfaction: A cross-sectional study
Incidence and Predictors of Antiretroviral Treatment Failure among Children in Public Health Facilities of Kolfe Keranyo Sub-City, Addis Ababa, Ethiopia: Institution-based retrospective cohort study
Raised cardiovascular disease mortality after central nervous system tumour diagnosis: analysis of 171 926 patients from UK and USA
Development of machine learning models for the prediction of complications after colorectal and small intestine surgery in psychiatric and non-psychiatric patient collectives (P-Study)
Combining machine learning and mathematical models of disease dynamics to guide development of novel malaria interventions
Ignoring spatial heterogeneity in drivers of SARS-CoV-2 transmission in the US will impede sustained elimination
Predictive and Causal Analysis of No-Shows for Medical Exams During COVID-19: A Case Study of Breast Imaging in a Nationwide Israeli Health Organization
Knowledge, Attitude and Perceptions Regarding Male Infertility among the Medical Students and Healthcare Professionals of Bangladesh
Positive and negative stroke signs revisited: dissociations between synergies, weakness, and impaired reaching dexterity
Estimating the spreading and dominance of SARS-CoV-2 VOC 202012/01 (lineage B.1.1.7) across Europe
Forecasting the Spreading Trajectory of the COVID-19 Pandemic
Causal associations between body fat accumulation and COVID-19 severity: A Mendelian randomization study
Listening to mental health crisis needs at scale: using Natural Language Processing to understand and evaluate a mental health crisis text messaging service
Interpreting Wastewater SARS-CoV-2 Results using Bayesian Analysis
A Multi-Component Telehealth Intervention to Improve Oncofertility Care Delivery among Young Cancer Patients: A Pilot Study
The effects of quality of evidence communication on perception of public health information about COVID-19: two randomised controlled trials
The Acute Treatment of Migraine with Low-Dose Naltrexone and acetaminophen Combinations and Each Component: Findings of a Small, Randomized, Double-Blind, and Placebo-Controlled Clinical Trial
Analysis of 472,688 severe cases of COVID-19 in Brazil showed lower mortality in those vaccinated against influenza
Racial and ethnic disparities in COVID-19 vaccinations in the United States during the booster rollout.
Computational analysis of quantitative echocardiographic assessments of functional mitral regurgitation: Proximal Isovelocity Surface Area methods
The COVID-19 pandemic storm in India
COVID19, Consumption and Inequality: A Systematic Analysis of Rural Population of India
Global epidemiology of SARS-CoV-2 infection: a systematic review and meta-analysis of standardized population-based seroprevalence studies, Jan 2020-Oct 2021
SARS-CoV-2 incidence, transmission and reinfection in a rural and an urban setting: results of the PHIRST-C cohort study, South Africa, 2020-2021