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 has caused untold
disruption throughout the world. Understanding the mechanisms for transmission of severe …

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 …

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 …

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 …

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 …

Background Based on the status of the COVID-19 global pandemic, there is an urgent need
to systematically evaluate the effectiveness of wearing masks to protect public health from …

Objectives To evaluate the potential for long distance airborne transmission of SARS-CoV-2
in indoor community settings and to investigate factors that might influence transmission …

Understanding the factors that influence the airborne survival of viruses such as severe
acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in aerosols is important for …

In the developed world, individuals spend most of their time indoors. Poor Indoor Air Quality
(IAQ) has a wide range of effects on human health. The burden of disease associated with …