Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Effect of physical inactivity and tobacco use on mortality and morbidity in revascularized patients with peripheral arterial disease: A nationwide cohort study
Cost-effectiveness of Ezetimibe plus statin lipid-lowering therapy: A systematic review and meta-analysis of cost-utility studies
Direct Comparison of SARS Co-V-2 Nasal RT- PCR and Rapid Antigen Test (BinaxNOW(TM)) at a Community Testing Site During an Omicron Surge
Geographic barriers to establishing a successful hospital referral system in rural Madagascar
Comorbidities in autism spectrum disorder and their etiologies
Emergent effects of contact tracing robustly stabilize outbreaks
Acute and persistent symptoms in non-hospitalized PCR-confirmed COVID-19 patients
Household Transmission of SARS-COV-2: Insights from a Population-based Serological Survey
Schooling amidst a pandemic: parents' perceptions about reopening schools and anticipated challenges during COVID-19
Clinical outcomes and cost-effectiveness of COVID-19 vaccination in South Africa
Overcoming COVID-19 vaccine preferential bias in Europe: Is the end of the pandemic still foreseeable?
Validation of a rapid, saliva-based and ultra-sensitive SARS-CoV-2 screening system for pandemic-scale infection surveillance
Risk of COVID-19 epidemic resurgence with the introduction of vaccination passes
Investigation and analysis of blood-borne occupational exposure of medical staff in a hospital in Hubei Province
Effects of Resistant Starch on Symptoms, Fecal Markers and Gut Microbiota in Parkinson's Disease -- The RESISTA-PD Trial
Socially stratified DNA-methylation profiles are associated with disparities in child and adolescent mental health
Combined treatment of nightmares with targeted memory reactivation and imagery rehearsal therapy: a randomized controlled trial
Development and validation of a clinical risk score to predict SARS-CoV-2 infection in emergency department patients: The CCEDRRN COVID-19 Infection Score (CCIS)
Relative burdens of the COVID-19, malaria, tuberculosis and HIV/AIDS epidemics in sub-Saharan Africa
Immunogenicity and safety of an inactivated SARS-CoV-2 vaccine (BBV152) in children from 2 to 18 years of age: an open-label, age-de-escalation phase 2/3 study
A Phase 2 open-label study to determine the safety and efficacy of weekly dosing of ATL1102 in patients with non-ambulatory Duchenne muscular dystrophy
Service-user experiences of an integrated psychological intervention for depression or anxiety and tobacco smoking in IAPT: A qualitative investigation into mechanisms of change in quitting smoking
Using viral load and epidemic dynamics to optimize pooled testing in resource constrained settings
How dynamic social activity shapes COVID-19 epidemic: waves, plateaus, and endemic state
Formation of oxidized gases and secondary organic aerosol from a commercial oxidant-generating electronic air cleaner
Identifying Cases of Shoulder Injury Related to Vaccine Administration (SIRVA) Using Natural Language Processing