Instruct: Identify the main category of a medRxiv paper based on its title.
Query: Atmospheric PM2.5 before and after Lockdown in relation to COVID-19 Evolution and daily Viral Counts: Could Viral Natural Selection have occurred due to changes in the Airborne Pollutant PM2.5 acting as a Vector for SARS-CoV-2?
Phase 1 safety and pharmacokinetics studies of BRII-196 and BRII-198, SARS-CoV-2 spike-targeting monoclonal antibodies
Epigenetic drift association with cancer risk and survival, and modification by sex
The military as a neglected pathogen transmitter and its implications for COVID-19: A systematic review
A pan-European study of SARS-CoV-2 variants in wastewater under the EU Sewage Sentinel System
Haemolysis detection in microRNA-seq from clinical plasma samples
Transmission dynamics and epidemiological characteristics of Delta variant infections in China
Failure of Concentric Regulatory Zones to Halt the Spread of COVID-19 in South Brooklyn, New York: October-November 2020
Mental health in relation to changes in sleep, exercise, alcohol and diet during the COVID-19 pandemic: examination of five UK cohort studies
Required COVID-19 Vaccination Certification to Attend Certain U.S. Professional Football Games in Fall 2021: A Natural Experiment
Vaping preferences of individuals who vaporise dry herb cannabis, cannabis liquids and cannabis concentrates
KRAS mutations impact clinical outcome in metastatic non-small cell lung cancer
Development and clinimetric testing of the Unified Drug-Induced Movement Disorders Scale (UDIMS)
Case-control study of neuropsychiatric symptoms following COVID-19 hospitalization in 2 academic health systems
Management of conductive deafness from Otitis Media with Effusion (known as glue ear) in children using bone conduction headsets when grommet operations were unavailable during COVID-19.
Reasons for non-attendance to cervical cancer screening and acceptability of HPV self-sampling among Bruneian women: A cross-sectional study.
Mental health assessment of Israeli adolescents before and during the COVID-19 pandemic
Risk of COVID-19 related deaths for SARS-CoV-2 Omicron (B.1.1.529) compared with Delta (B.1.617.2)
The effects of COVID-19 on European healthcare provision for people with major depressive disorder: a scoping review protocol
Hybrid immunity versus vaccine-induced immunity against SARS CoV2 in Patients with Autoimmune Rheumatic Diseases
How Do College Students with Disabilities Feel About Taking COVID-19 Vaccines?
Health perception among the elderly in India: A gender perspective
Trans Sodium Crocetinate (TSC) to Improve Oxygenation in COVID-19
Trajectories of imitation skills in preschoolers with Autism Spectrum Disorders
Conceptualizing centers of excellence: A global evidence
Burden of five healthcare associated infections in Australia