SARS-CoV-2 replicates in the respiratory tract and spreads through exhalation of infectious
respiratory particles. The chances of transmission increase the longer an uninfected person …

To the Editor A recent Viewpoint1 made a compelling case for improving indoor air quality
and provided an excellent overview of different approaches and considerations. However …

To the Editor A recent Viewpoint1 made a compelling case for improving indoor air quality
and provided an excellent overview of different approaches and considerations. However …

Buildings have been associated with spread of infectious diseases, such as outbreaks of
measles, influenza, andLegionella. With SARS-CoV-2, the majority of outbreaks involving 3 …

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 …

An April 2, 2020, expert consultation from the National Academies of Sciences, Engineering,
and Medicine to the White House Office of Science and TechnologyPolicyconcludedthatavailablest …

Respiratory infections occur through the transmission of virus-containing droplets (> 5 to 10
µm) and aerosols (≤ 5 µm) exhaled from infected individuals during breathing, speaking …

To limit community spread of SARS‐CoV‐2, CDC recommends universal masking indoors,
maintaining 1.8 m of physical distancing, adequate ventilation, and avoiding crowded indoor …

In this issue of JAMA, Wang et al present evidence that universal masking of health care
workers (HCWs) and patients can help reduce transmission of severe acute respiratory …

What Is COVID-19? COVID-19 is a respiratory infection caused by the virus SARS-CoV-2,
which was recently discovered after an outbreak began in Wuhan, China, in December …