Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: Nationwide Seroprevalence of SARS-CoV-2 in Saudi Arabia
Seroprevalence of hepatitis A and hepatitis E viruses among pregnant women in Northern Iran
Critical Arterial Stenosis Revisited
Predicting pneumothorax after lung biopsy from pre-operative imaging using a deep convolutional neural network
Evaluating the efficacy and mechanism of metformin targets on reducing Alzheimers disease risk in the general population: a Mendelian randomization study
Mapping brain structural differences and neuroreceptor correlates in Parkinson's disease visual hallucinations: a mega-analysis
Quantifying aerosol and droplet generation during upper and lower gastrointestinal endoscopy: whole procedure and event-based analysis
Infant malnutrition in low- and middle-income countries: assessment and prevalence of small and nutritionally at-risk infants aged under 6 months in 54 Demographic & Health Survey datasets
Co-circulation of two viral populations under vaccination
Prioritization of putatively detrimental variants in euploid miscarriages
Electrical Brain Stimulation and Continuous Behavioral State Tracking in Ambulatory Humans
Safety of administering biologics to IBD patients at an outpatient infusion center In New York City during the COVID-19 pandemic: Sars-CoV-2 seroprevalence and clinical and social characteristics
Modeling behavior change and underreporting in the early phase of COVID-19 pandemic in Metro Manila, Philippines
Rapid protocols to support Covid-19 clinical diagnosis based on hematological parameters
Large-scale analysis of structural brain asymmetries in schizophrenia via the ENIGMA consortium
Uncovering interpretable potential confounders in electronic medical records
The Brief Observation of Symptoms of Autism (BOSA): Development of a New Adapted Assessment Measure for Remote Telehealth Administration through COVID-19 and Beyond
Multi-trait genome-wide association study identifies novel endometrial cancer risk loci that are associated with obesity or female testosterone levels
Doxycycline is a safe alternative to Hydroxychloroquine + Azithromycin to prevent clinical worsening and hospitalization in mild COVID-19 patients: An open label randomized clinical trial (DOXYCOV)
Antithrombotic Therapy in COVID-19: Systematic Summary of Ongoing or Completed Randomized Trials
Stay Home and Stay Active? The impact of stay-at-home restrictions on physical activity routines in the UK during the COVID-19 pandemic
Mental Illness Self-Stigma in Young People: A Scoping Review Protocol
Pathway-based Rare Variant Burden Analysis Identifies a Role for the Complement System in an Extreme Phenotype of Sepsis with Coagulopathy
Cognitive Training and Transcranial Direct Current Stimulation in Older Persons with HIV-associated Neurocognitive Disorder
Impact of Retinopathy and Systemic Vascular Comorbidities on All-Cause Mortality
Clinical cholera surveillance sensitivity in Bangladesh and implications for large-scale disease control