Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Longitudinal serology in SARS-CoV-2 infected individuals in India - a prospective cohort study
SARS-CoV-2 variants of concern dominate in Lahore, Pakistan in April 2021
Comparing COVID-19 risk factors in Brazil using machine learning: the importance of socioeconomic, demographic and structural factors
Validation of AI-based software for objectification of conjunctival provocation test results in routine examinations and clinical studies
Comparative Effectiveness of Standard and Contingency-based Cleaning in Acute and Long-Term Care Facilities amidst Staff Shortages and a COVID-19 Surge
Risk Factors for Delirium in Elderly Patients After Lumbar Spinal Fusion
Analysis of the Factors Affecting the Adoption and Compliance of the NHS COVID-19 Mobile Application
Generation time of the Alpha and Delta SARS-CoV-2 variants
The local and systemic response to SARS-CoV-2 infection in children and adults
Associations of socioeconomic position and adverse childhood experiences with health-related behaviour changes and changes to employment during the first COVID-19 lockdown in the UK
Preclinical interstitial lung disease in relatives of familial pulmonary fibrosis patients
The CADM2 gene and behavior: A phenome-wide scan in UK-Biobank
SPATIAL HETEROGENEITY OF NEIGHBORHOOD-LEVEL WATER AND SANITATION ACCESS IN INFORMAL URBAN SETTLEMENTS: A CROSS-SECTIONAL CASE STUDY IN BEIRA, MOZAMBIQUE
Resting State Functional Connectivity Alterations in Individuals with Autism Spectrum Disorders: A Systematic Review
Stable Sparse Classifiers predict cognitive impairment from gait patterns
Speech and language impairments in behavioral variant frontotemporal dementia: A systematic review
Protocol for a nationwide Internet-based health survey in workers during the COVID-19 pandemic in 2020
The Mask-Wearing Bias In The Estimates Of Vaccine Efficacy
Symptoms that predict positive COVID-19 testing and hospitalization: an analysis of 9,000 patients
Detection of SARS CoV-2 contamination in the Operating Room and Birthing Room Setting: Risks to attending health care workers
Attributable is Preventable: Corrected and revised estimates of population attributable fraction of TB related to undernutrition in 30 high TB burden countries
A Systematic Review of the Beighton Score Compared with Other Commonly Used Measurement Tools for Assessment and Identification of Generalised Joint Hypermobility (GJH)
Associations between COVID-19 transmission rates, park use, and landscape structure
Findings from Cardiovascular Evaluation of NCAA Division I Collegiate Student-Athletes after Asymptomatic or Mildly Symptomatic SARS-CoV-2 Infection
Mutational signatures in esophageal squamous cell carcinoma from eight countries of varying incidence
Insecticide Resistance Surveillance of Malaria and Arbovirus Vectors in Papua New Guinea 2017-2022.