Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Emergence in Southern France of a new SARS-CoV-2 variant of probably Cameroonian origin harbouring both substitutions N501Y and E484K in the spike protein
Duration of vaccine effectiveness against SARS-CoV2 infection, hospitalisation, and death in residents and staff of Long-Term Care Facilities (VIVALDI): a prospective cohort study, England, Dec 2020-Dec 2021
Protection of previous SARS-CoV-2 infection is similar to that of BNT162b2 vaccine protection: A three-month nationwide experience from Israel
Adjustment for energy intake in nutritional research: a causal inference perspective
A Survey of the Smokefree Status of Pedestrian-Only Spaces in 10 New Zealand Local Government Areas
Leveraging global multi-ancestry meta-analysis in the study of Idiopathic Pulmonary Fibrosis genetics
Mental Health, Substance Use, and Suicidal Ideation Among Unpaid Caregivers in the United States During the COVID-19 Pandemic: Relationships to Age, Race/Ethnicity, Employment, and Caregiver Intensity
Acute and longer-term psychological distress associated with testing positive for COVID-19: longitudinal evidence from a population-based study of US adults
Hearing aids reduce daily-life fatigue and increase social activity: a longitudinal study
Evaluation of at-home methods for N95 filtering facepiece respirator decontamination
The influence of SARS-CoV-2 variants of concern on national case fatality rates
Performance of Valved Respirators to Reduce Respiratory Particles Generated by Speaking
A Learning Health System Approach to the COVID-19 Pandemic: System-Wide Changes in Clinical Practice and 30-Day Mortality Among Hospitalized Patients
The Impact of Non-Pharmaceutical Interventions on the First COVID-19 Epidemic Wave in South Africa
Association of preference and frequency of teleworking with work functioning impairment: a nationwide cross-sectional study of Japanese full-time employees
Impact of the Russian invasion of Ukraine onthe COVID-19 pandemic dynamics
Early Childhood Reading for Pleasure: Evidence from the ABCD Study for Benefits to Cognitive Performance and Mental Health and Associated Changes in Brain Structure
Xenobiotic tracers uncover the gastrointestinal passage, cellular uptake and Ago2 loading of milk microRNAs in neonates
Incidence of COVID-19 reinfection among Midwestern healthcare employees
Detection of cognitive decline using a single-channel EEG system with an interactive assessment tool
Impacts of COVID-19 on sick leave
Protocol for rapid implementation of a SARS-CoV-2 sero-survey during the 2020 COVID-19 pandemic: who, where, how?
Brain activity is contingent on neuropsychological function in an fMRI study of Verbal Working Memory in Amyotrophic Lateral Sclerosis
Monitoring of COVID-19 Pandemic-related Psychopathology using Machine Learning
Evidence for increased breakthrough rates of SARS-CoV-2 variants of concern in BNT162b2 mRNA vaccinated individuals
Characterization of the skin microbiota in bullous pemphigoid patients and controls reveals novel microbial indicators of disease