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

Executive summary As of May 31, 2022, there were 6· 9 million reported deaths and 17· 2
million estimated deaths from COVID-19, as reported by the Institute for Health Metrics and …

We appeal to the medical community and to the relevant national and international bodies to
recognize the potential for airborne spread of COVID-19. There is significant potential for …

Human respiratory virus infections lead to a spectrum of respiratory symptoms and disease
severity, contributing to substantial morbidity, mortality and economic losses worldwide, as …

Although airborne transmission of severe acute respiratory syndrome coronavirus 2 (SARS-
CoV-2) has been recognized, the condition of ventilation for its occurrence is still being …

The current revival of the American economy is being predicated on social distancing,
specifically the Six-Foot Rule, a guideline that offers little protection from pathogen-bearing …

Summary The coronavirus disease 2019 (COVID-19) pandemic has caused untold
disruption throughout the world. Understanding the mechanisms for transmission of severe …

There is great disparity in the way we think about and address different sources of
environmental infection. Governments have for decades promulgated a large amount of …

CO2 is co-exhaled with aerosols containing SARS-CoV-2 by COVID-19-infected people and
can be used as a proxy of SARS-CoV-2 concentrations indoors. Indoor CO2 measurements …

Airborne transmission is a recognized pathway of contagion; however, it is rarely
quantitatively evaluated. The numerous outbreaks that have occurred during the SARS-CoV …