Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: COVID-19 Hospitalisation in Portugal, the first year: Results from hospital discharge data
A study of sociodemographic and clinical profiles of HIV-1 infected North Indian patients
Exploring the Relationship of Rush Hour Period and Fatal and Non-Fatal Crash Injuries In The U.S.: A Systematic Review and Meta-Analysis
The sensitivity improved two-test algorithm "SIT2": a universal optimization strategy for SARSAQ-CoV-2 serology
Global Perspective of COVID-19 Vaccine Nationalism
A Simplified Point-of-Care Lung Ultrasound Protocol to Detect Coronavirus Disease 2019 in Inpatients: A Prospective Observational Study
Antibiotic courses for acute otitis media alter human gut microbiome resistome and colonization resistance against antimicrobial resistant species in children
THE INFLUENCE OF HLA GENOTYPE ON SUSCEPTIBILITY TO, AND SEVERITY OF, COVID-19 INFECTION
Comparing India's second COVID wave with the first wave, a single center experience
A meta-analysis of the genome-wide association studies on two genetically correlated phenotypes (self-reported headache and self-reported migraine) identifies four new risk loci for headaches (N=397,385)
Deep Learning-Aided Diagnosis of Autoimmune Blistering Diseases
Pulmonary Fibrosis after COVID-19 is Associated with Severity of Illness and Blood Leukocyte Telomere Length
THE EFFECTIVENESS OF ACB-IP 1.0 UNIVERSAL PATHOGEN FREE CONCENTRATED COCKTAIL CONVALESCENT PLASMA IN COVID-19 INFECTION
Anti SARS-CoV2 seroprevalence in Zanzibar in 2021 before the Omicron wave
Dissatisfaction with family members' medical care: the relationship with trust in personal physicians and physicians generally in Japan
Acquired neutralizing breadth against SARS-CoV-2 variants including Omicron after three doses of mRNA COVID-19 vaccination and the vaccine efficacy
Improving COVID-19 vaccination centre operation through computer modelling and simulation
High vaccine effectiveness against severe Covid-19 in the elderly in Finland before and after the emergence of Omicron
Meta-Analysis of Robustness of COVID-19 Diagnostic Kits During Early Pandemic
Antibody response to a fourth mRNA Covid-19 vaccine boost in weak responder kidney transplant recipients
First dose mRNA vaccination is sufficient to reactivate immunological memory to SARS-CoV-2 in ex COVID-19 subjects
AI/ML Models to Aid in the Diagnosis of COVID-19 Illness from Forced Cough Vocalizations: Results and Challenges of a Systematic Review of the Relevant Literature
Efficacy of universal masking for source control and personal protection from simulated cough and exhaled aerosols in a room
Association of the Liver and Plasma Lipidomes with the Histological Stage of Alcohol-Related Liver Disease
Unmasking the conversation on masks: Natural language processing for topical sentiment analysis of COVID-19 Twitter discourse
Health risk behaviours among people with severe mental ill health during the COVID-19 pandemic: analysis of linked cohort data