The global pandemic of COVID-19 has been associated with infections and deaths among
health-care workers. This Viewpoint of infectious aerosols is intended to inform appropriate …

Background Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes
COVID-19 and is spread person-to-person through close contact. We aimed to investigate …

Background The novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is
the cause of a rapidly spreading illness, Coronavirus Disease 2019 (COVID-19), affecting …

Cases of coronavirus disease 2019 (COVID-19) have been reported in more than 200
countries. Thousands of health workers have been infected, and outbreaks have occurred in …

Background Respiratory protective devices are critical in protecting against infection in
healthcare workers at high risk of novel 2019 coronavirus disease (COVID‐19); however …

Objectives To determine the risk of SARS-CoV-2 transmission by aerosols, to provide
evidence on the rational use of masks, and to discuss additional measures important for the …

Background The pandemic of COVID-19 is growing, and a shortage of masks and
respirators has been reported globally. Policies of health organizations for healthcare …

Objective Previous meta‐analyses concluded that there was insufficient evidence to
determine the effect of N95 respirators. We aimed to assess the effectiveness of N95 …

Importance Clinical studies have been inconclusive about the effectiveness of N95
respirators and medical masks in preventing health care personnel (HCP) from acquiring …

Many countries introduced the requirement to wear masks in public spaces for containing
SARS-CoV-2 making it commonplace in 2020. Up until now, there has been no …