BACKGROUND Exposure to droplets produced in the coughs and sneezes of infected
individuals or contact with droplet-contaminated surfaces (fomites) have been widely …

SUMMARY The coronavirus disease 2019 (COVID-19) pandemic, caused by severe acute
respiratory disease coronavirus 2 (SARS-CoV-2), has led to millions of confirmed cases and …

Ten scientific reasons in support of airborne transmission of SARS-CoV-2 - The Lancet Skip to
Main Content Skip to Main Menu Advertisement The Lancet Journal Submit Article Log in …

Airborne transmission by droplets and aerosols is important for the spread of viruses. Face
masks are a well-established preventive measure, but their effectiveness for mitigating …

INTRODUCTION Mask usage remains low across many parts of the world during the COVID-
19 pandemic, and strategies to increase mask-wearing remain untested. Our objectives …

Prior to the coronavirus disease 2019 (COVID-19) pandemic, the efficacy of community
mask wearing to reduce the spread of respiratory infections was controversial because there …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a highly transmissible
and virulent human-infecting coronavirus that emerged in late December 2019 in Wuhan …

Background Knowledge of the window of SARS-CoV-2 infectiousness is crucial in
develo** policies to curb transmission. Mathematical modelling based on scarce empirical …

Our analysis of data collected from multiple epidemics in Hong Kong indicated a shorter
serial interval and generation time of infections with the SARS-CoV-2 Omicron variant. The …

Background: Immunoassays for determining past SARS-CoV-2 infection have not been
systematically evaluated in vaccinated persons in comparison with unvaccinated persons …