Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Impact of COVID-19 pre-test probability on positive predictive value of high cycle threshold SARS-CoV-2 real-time reverse transcription PCR test results
Diversity and within-host evolution of parasites from VL and VL/HIV patients in Northern Ethiopia
Psychological interventions for adult PTSD: A network and pairwise meta-analysis of short and long-term efficacy, acceptability and trial quality
Susceptibility to postmortem (co)-pathologies in antemortem atrophy-based subtypes of Alzheimer's disease
Epidemiology of the early COVID-19 epidemic in Orange County, California: comparison of predictors of test positivity, mortality, and seropositivity
Latino children's obesity risk varies by place of birth: Findings from New York City public school youth, 2006-2017
Are culturally vibrant communities healthier? Relationships between performing arts activity and health outcomes in the 500 largest US cities
Heart Block in patients with COVID-19
Virtual reality exercise to help COVID patients with refractory breathlessness
Impact of Public Health Education Program on the Novel Coronavirus Outbreak in the United States
IMPACT OF COVID-19 PANDEMIC ON SICKNESS ABSENCE FOR MENTAL ILL HEALTH IN NATIONAL HEALTH SERVICE STAFF
Covid-19 Incidence And Mortality By Age Strata And Comorbidities In Mexico City: A Focus In The Pediatric Population
100,000 lumens to treat seasonal affective disorder: A proof of concept RCT of bright, whole-room, all-day (BROAD) light therapy
Normal Childhood Brain Growth and a Universal Sex and Anthropomorphic Relationship to Cerebrospinal Fluid
Associations of Loneliness and Social Isolation with Healthspan and Lifespan in the US Health and Retirement Study
Identifying Clinical Risk Factors for Opioid Use Disorder using a Distributed Algorithm to Combine Real-World Data from a Large Clinical Data Research Network
Sterilization of disposable face masks with respect to COVID-19 shortages; a nationwide field study including 19 sterilisation departments
Diagnostic Model of in-Hospital Mortality in Patients with Acute ST-Segment Elevation Myocardial Infarction Used Artificial Intelligence Methods : Algorithm Development and Validation
Introducing the 4Ps Model of Transitioning to Distance Learning: a convergent mixed methods study conducted during the COVID-19 pandemic.
DNA methylation partially mediates the relationship between childhood adversity and depressive symptoms in adolescence
Effectiveness of the BNT162b2 vaccine among children 5-11 and 12-17 years in New York after the Emergence of the Omicron Variant
Mental Health of International Migrant Workers Amidst Large-Scale Dormitory Outbreaks of COVID-19: A Population Survey
Huge Excess Mortality due to the delta strain of COVID-19 in Japan in August, 2021
The Refractive Error and Vision Impairment Estimation With Spectacle data (REVIEWS) study
Genomic epidemiology reveals geographical clustering of multidrug-resistant Escherichia coli sequence type (ST)131 associated with bacteraemia in Wales, United Kingdom
Poor Working Relationship between Doctors and Hospital Managers: A Systematic Review