Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Effectiveness of COVID-19 Vaccines in preventing Infectiousness, Hospitalization and Mortality: A Historical Cohort Study Using Iranian Registration Data During Vaccination program
Mutations in emerging variant of concern lineages disrupt genomic sequencing of SARS-CoV-2 clinical specimens
Child Suicide Rates During the COVID-19 pandemic in England
The effect of Covid-19 isolation measures on the cognition and mental health of people living with dementia: a rapid systematic review of one year of evidence.
Evaluation of Junior Doctors Knowledge of Corneal Donation and the New Opt-Out System in England
The mental health of staff working on Intensive Care Units over the COVID-19 winter surge of 2020 in England: a cross sectional survey.
Seroprevalence of anti-SARS-CoV-2 antibodies among school and daycare children and personnel: Protocol for a cohort study in Montreal, Canada
Third doses of COVID-19 vaccines reduce infection and transmission of SARS-CoV-2 and could prevent future surges in some populations: a modeling study
Ensuring a successful transition from Pap to HPV-based primary screening in Canada: a study protocol to investigate the psychosocial correlates of women's screening intentions
Barriers and facilitators to cross-sector workforce competency assessment in the care of older people residing in care homes
Depression predicts chronic pain interference in racially-diverse, low-income patients
COVID-19 vaccine effectiveness against severe disease from the Omicron BA.1 and BA.2 subvariants: surveillance results from southern Sweden, December 2021 to March 2022
Efficacy and safety of a novel antiviral preparation in ICU-admitted patients with COVID-19: a phase III randomized controlled trial
Country-level Determinants of the Severity of the First Global Wave of the COVID-19 Pandemic: An Ecological Study
Inequities in childhood immunisation coverage associated with socioeconomic, geographic, maternal, child, and place of birth characteristics in Kenya
Real-time tracking and forecasting of the COVID-19 outbreak in Kuwait: a mathematical modeling study
Consensus based framework for digital mobility monitoring
The origin, epidemiology and phylodynamics of HIV-1 CRF47_BF
The Gut Microbiome and their Metabolites in Human Blood Pressure Variability
Response to COVID-19 booster vaccinations in seronegative people with MS.
COVID-19 infection and subsequent thromboembolism: A self-controlled case series analysis of a population cohort
Chronic cluster headache: a study of the telencephalic and cerebellar cortical thickness
Speech pause distribution as an early marker for Alzheimer's disease
Regional opening strategies with commuter testing and containment of new SARS-CoV-2 variants in Germany
Thyroid function and the risk of Alzheimer's disease: A Mendelian Randomisation study
Ambient Temperature and Dengue Hospitalisation in Brazil over a 10-year period, 2010-2019: a times series analysis