Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: The emergence of SARS-CoV-2 variant(s) and its impact on the prevalence of COVID-19 cases in Nabatieh region, Lebanon
COVID-19 onset reduced the sex ratio at birth in South Africa
A novel, multiplexed RT-qPCR assay to distinguish lineage B.1.1.7 from the remaining SARS-CoV-2 lineages
Attitudes towards a mandatory COVID-19 vaccination in France for the general population or healthcare workers in May 2021
Year-long COVID-19 infection reveals within-host evolution of SARS-CoV-2 in a patient with B cell depletion
Heart-centered positioning and tailored beam-shaping filtration for reduced radiation dose in coronary artery calcium imaging: a MESA study
Increasing viral transmission paradoxically reduces progression rates to severe COVID-19 during endemic transition
High prevalence of Plasmodium malariae and Plasmodium ovale in co-infections with Plasmodium falciparum in asymptomatic malaria parasite carriers in Southwest Nigeria
The incidence, characteristics and outcomes of pregnant women hospitalized with symptomatic and asymptomatic SARS-CoV-2 infection in the UK from March to September 2020: a national cohort study using the UK Obstetric Surveillance System (UKOSS)
Infectious SARS-CoV-2 Virus in Symptomatic COVID-19 Outpatients: Host, Disease, and Viral Correlates
Clinical utility of Elecsys Anti-SARS-CoV-2 S assay in COVID-19 vaccination: An exploratory analysis of the mRNA-1273 phase 1 trial
Effect of Adapted Ergometer Setup and Rowing Speed on Lower Extremity Loading in People with and without Spinal Cord Injury
Evidence for antibody as a protective correlate for COVID-19 vaccines
The clinical and prognostic significance of Protein Arginine Deiminase 2 and 4 (PADI2 & PADI4) in colorectal cancer
Differential vulnerability of the cerebellum in healthy ageing and Alzheimer's disease
The Kinetics of COVID-19 Vaccine Response in a Community Vaccinated Population
Hemodynamic Differences Between Women and Men with Elevated Blood Pressure in China
Network-based integrative analysis of lithium response in bipolar disorder using transcriptomic and GWAS data
Necessity of COVID-19 Vaccination in Persons Who Have Already Had COVID-19
Association between COVID-19, mobility and environment in Sao Paulo, Brazil
Identification of driver genes for severe forms of COVID-19 in a deeply phenotyped young patient cohort
Covid-19 lockdown: Ethnic differences in childrens self-reported physical activity and the importance of leaving the home environment. A longitudinal and cross-sectional study from the Born in Bradford birth cohort study.
Alzheimer's disease variant portal (ADVP): a catalog of genetic findings for Alzheimer's disease
Genomic stratification of clozapine prescription patterns using schizophrenia polygenic scores
Vaccines Elicit Highly Cross-Reactive Cellular Immunity to the SARS-CoV-2 Omicron Variant
Unmet need of essential treatments for critical illness in Malawi