Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: A SARS-CoV-2 lineage A variant (A.23.1) with altered spike has emerged and is dominating the current Uganda epidemic
Low dose mRNA-1273 COVID-19 vaccine generates durable T cell memory and antibodies enhanced by pre-existing crossreactive T cell memory
Persisting Chemosensory Impairments in 366 Healthcare Workers Following COVID-19: An 11-Month Follow-up.
Improving Fabric Face Masks: Impact of Design Features on the Protection Offered by Fabric Face Masks
Non-muscle Invasive Bladder Cancer Molecular Subtypes Predict Differential Response to Intravesical Bacillus Calmette-Guerin
Metastatic risk stratification of leiomyosarcoma patients using transcription- and replication-associated chromosomal instability mechanisms
The Relationship Between Food Security and Dietary Patterns Status with COVID-19 in Northeastern Iran: Protocol for a Case-Control Study
Multisystem inflammatory syndrome in European White children - study of 274 cases
Association of the Liver and Plasma Lipidomes with the Histological Stage of Alcohol-Related Liver Disease
Androgen receptor polyQ alleles and COVID-19 severity in men: a replication study
Mechanisms linking physical activity with psychiatric symptoms: a protocol for a systematic review.
Omega-3 Index is Directly Associated with a Healthy Red Blood Cell Distribution Width
Impact of Covid-19 Pandemic on Racial/Ethnic Differences in Mortality by Cause of Death
Involvement of the habenula in the pathophysiology of autism spectrum disorder.
The recombinant Link module of human TSG-6 suppresses cartilage damage in models of osteoarthritis: a potential disease-modifying OA drug
Towards Formal Computable Representation of Clinical Trial Eligibility Criteria for Alzheimer's Disease
A Learning Health System Randomized Trial of Monoclonal Antibodies for Covid-19
An LDLR missense variant poses high risk of familial hypercholesterolemia in 30% of Greenlanders and offers potential for early cardiovascular disease intervention
Race-Specific, U.S. State-Specific COVID-19 Vaccination Rates Adjusted for Age
Direct, Indirect and Mixed Methods of Health Education By Nurse and Its Impact on Type 2 Diabetes Patients: A Literature review
Association between reactogenicity and SARS-CoV-2 antibodies after the second dose of the BNT162b2 COVID-19 vaccine
Loneliness and the onset of new mental health problems in the general population: a systematic review
Different features of the cortical sensorimotor rhythms are uniquely linked to the severity of specific symptoms in Parkinson's disease
A combined polygenic score of 21,293 rare and 22 common variants significantly improves diabetes diagnosis based on hemoglobin A1C levels
Development and performance of a population-based risk stratification model for COVID-19
Molecular epidemiological characteristics of Mycobacterium abscessus complex in non-cystic fibrosis patients in Japan and Taiwan