Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Risk factors for long covid in previously hospitalised children using the ISARIC Global follow-up protocol: A prospective cohort study
Hope is No Plan: Uncovering Actively Missing Transition-Aged Youth with Congenital Heart Disease
Immunogenicity of COVID-19 mRNA Vaccines in Patients with Acute Myeloid Leukemia and Myelodysplastic Syndrome
Who Is Hospitalized With Whom? Inpatient Contact Networks and Mixing Patterns
Pre-exposure prophylaxis adherence with real-time adherence feedback and partner HIV self-testing: A pilot trial among postpartum women
Post-Disease Divergence in SARS-CoV-2 RNA Detection between Nasopharyngeal, Anterior Nares and Saliva/Oral Fluid Specimens - Significant Implications for Policy & Public Health
Practical Indicators for Risk of Airborne Transmission in Shared Indoor Environments and their Application to COVID-19 Outbreaks
Impact of Covid-19 Pandemic on Racial/Ethnic Differences in Mortality by Cause of Death
Brain connectivity and motor improvements after ballet intervention in multiple sclerosis: pilot
Infections in childhood and subsequent diagnosis of autism spectrum disorders and intellectual disability: a register-based cohort study
A normative model representing autistic individuals amidst Autism Spectrum Disorders phenotypic heterogeneity
Metabolomics strategy for diagnosing urinary tract infections
Predicting COVID-19 Vaccine Efficacy from Neutralizing Antibody Levels
Excessive matrix metalloproteinase-1 and hyperactivation of endothelial cells occurred in COVID-19 patients and were associated with the severity of COVID-19
National interest may require distributing COVID-19 vaccines to other countries
Hair toxicology identifies greater substance use than self-report in high-risk 9-13 year-olds in the ABCD Study
Effect of workplace infection control practices on workers' psychological distress: a large-scale cohort study during the COVID-19 second state of emergency in Japan
Interpretable Gender Classification from Retinal Fundus Images using BagNets
Physician-confirmed and administrative definitions of stroke in UK Biobank reflect the same underlying genetic trait.
Long-term predictions of humoral immunity after two doses of BNT162b2 and mRNA-1273 vaccines based on dosage, age and sex
Identification of susceptibility loci for adverse events following COVID-19 vaccination in the Japanese population: A web-based genome-wide association study.
Fine mapping of the HLA locus in Parkinson's disease in Europeans
A Delphi process to determine clinicians attitudes and beliefs towards paediatric major incident triage within the United Kingdom.
COVIDReady2 Study Protocol: Cross-sectional Survey of Medical Student Volunteering and Education During the COVID-19 Pandemic in the United Kingdom
Estimates of pandemic excess mortality in India based on civil registration data
The Application of Data Science Techniques and Algorithms in Women Health Research