Instruct: Identify the main category of Medrxiv papers based on the titles.
Query: Risk of SARS-CoV-2 reinfection 18 months after primary infection: population-level observational study.
Is WHO International Standard for Anti-SARS-CoV-2 Immunoglobulin Clinically Useful?
Age-related changes, influencing factors and crosstalk between vaginal and gut microbiota: a cross-sectional comparative study of pre- and postmenopausal women
Assessing the causal role of sleep traits on glycated haemoglobin: a Mendelian randomization study
International risk of the new variant COVID-19 importations originating in the United Kingdom
Heart Rate Variability as a Prospective Predictor of Early COVID-19 Symptoms
Estimating the risk of hospitalisation and death in England's remaining unvaccinated population
A Qualitative Expert Interview Study: Mobility Health in Indonesia
Stool Antigen Test is Effective and Sensitive for Detecting Helicobacter Pylori Infection in Bangladeshi Peptic Ulcer Patients
The stochastic dynamics of early epidemics: probability of establishment, initial growth rate, and infection cluster size at first detection
Evaluation of Ultrafast Wave-CAIPI 3D FLAIR in the Visualization and Volumetric Estimation of Cerebral White Matter Lesions
Maternal cigarette smoking and cleft lip and palate: A systematic review and meta-analysis
Very high relative seroprevalence of anti-SARS-CoV-2 antibodies among communities in Bangui, Central African Republic
Classification of Brain Injury Pathophysiology With GFAP and UCH-L1
Assessing the Feasibility of a Web-based Outcome Measurement System in Child and Adolescent Mental Health Services: myHealthE (MHE) a Randomised Controlled Feasibility Pilot Study
Genomic analyses in a large clinical cohort reveal high prevalence of MECP2 variants associated with neuropsychiatric phenotypes in adulthood
Depression Symptoms during the COVID-19 Pandemic among Well-Educated, Employed Adults with Low Infection Risks
Multi-modal investigation of the schizophrenia-associated 3q29 genomic interval reveals global genetic diversity with unique haplotypes and segments that increase the risk for non-allelic homologous recombination
Spatial patterns of excess mortality in the first year of the COVID-19 pandemic in Germany
Tracking the emergence of disparities in the subnational spread of COVID-19 in Brazil using an online application for real-time data visualisation: a longitudinal analysis
New Insight into the Neural Mechanisms of Migraine in Adolescents: Relationships with Sleep
Integrated Bile Acid Profile Analysis for The Non-invasive Staging Diagnosis of Ulcerative Colitis
Multispecialty multidisciplinary input into comorbidities in heart failure reduces hospitalisation and clinic attendance
Maladaptive Self-Focused Attention and Default Mode Network Connectivity: A Transdiagnostic Investigation Across Social Anxiety and Body Dysmorphic Disorders
Associations between sustainable development goals accelerators and well-being, by household heads' disability status among adolescents in Zambia
The impact of the one child policy on China's infant mortality from 1970-1989: A quasi-experimental study