Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Early stopping in clinical PET studies: how to reduce expense and exposure
Association between asthma and suicidality in 9-11-year-old children
Genomic epidemiology of SARS-CoV-2 in Pakistan
Protection against omicron severe disease 0-7 months after BNT162b2 booster
The effect of International Monetary Fund programmes on population health
Wastewater-Based Epidemiology and Whole-Genome Sequencing for Community-Level Surveillance of SARS-CoV-2 in Selected Urban Communities of Davao City, Philippines: A Pilot Study
Proteogenomic analysis identifies the persistence of targetable lesions and proteomes through disease evolution in pediatric acute lymphoblastic leukemia
Online prescribing for sexually transmitted infections 	- what is on offer? An evaluation of internet pharmacies based in the United Kingdom
Genomic monitoring unveils a high prevalence of SARS-CoV 2 Omicron Variant in vaccine breakthrough cases in Bahia, Brazil
Mouth-rinses and SARS-CoV-2 viral load in saliva: A living systematic review
Deep-PheWAS: a pipeline for phenotype generation and association analysis for phenome-wide association studies.
Blood biochemical parameters as predictors of disease severity and mortality in COVID-19 patients- an updated systematic review and meta-analysis
Elevated levels of the cytokine LIGHT in Crohn's disease
Functional connectome mediates the association between sleep disturbance and mental health in preadolescence
The comparison of Post-Operative Complications pre Covid era versus during Covid-Era based on Clavien-Dindo-classification: A Systematic Review and Meta-Analysis
Assessing Age-Specific Vaccination Strategies and Post-Vaccination Reopening Policies for COVID-19 Control Using SEIR Modeling Approach
The fomite contribution to the transmission of COVID-19 in the UK: an evolutionary population estimate
A Comparative Analysis of COVID-19 Physical Distancing Policies in Botswana, India, Jamaica, Mozambique, Namibia, Ukraine, and the United States
Age-specific effects of childhood BMI on multiple sclerosis risk: a Mendelian Randomisation study
Can the Rapid Antigen Test for COVID-19 Replace RT-PCR: A Meta-analysis of Test Agreement
How did COVID-19 measures impact sexual behaviour and access to HIV/STI services in Panama? Results from a national cross-sectional online survey
Towards Understanding the COVID-19 Case Fatality Rate
Indirect effects of peaks in COVID admissions on access to surgery in the English NHS, differential effects by operation type, ethnicity and socio-economic status: a database study
Machine Learning Based Prediction of COVID-19 Mortality Suggests Repositioning of Anticancer Drug for Treating Severe Cases
Intellectual disability and cerebellar hypoplasia in autism reported by associative learning
Vaccine effectiveness of two and three doses of BNT162b2 and CoronaVac against COVID-19 in Hong Kong