Importance During the coronavirus disease 2019 (COVID-19) pandemic, the general public
has been advised to wear masks or improvised face coverings to limit transmission of severe …

Importance Procuring respiratory protection for clinicians and other health care workers has
become a major challenge of the coronavirus disease 2019 (COVID-19) pandemic and has …

In March 2020, the soaring number of severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) infections resulted in an unprecedented shortage of personal protective …

Cloth Masks May Prevent Transmission of COVID-19: An Evidence-Based, Risk-Based Approach
| Annals of Internal Medicine Advertisement ACP Online Annals of Internal Medicine Annals of …

Controversy exists around the appropriate types of masks and when they should be used to
prevent SARS-CoV-2 infection. In this article, ACP provides recommendations on the …

Background: During respiratory viral infection, face masks are thought to prevent
transmission (1). Whether face masks worn by patients with coronavirus disease 2019 …

Why Should I Consider Wearing a Face Mask? Recent studies suggest that coronavirus
disease 2019 (COVID-19) maybetransmittedbyinfectedpersonsevenint… of disease. While …

An update is available for this article. Background: Recommendations on masks for
preventing coronavirus disease 2019 (COVID-19) vary. Purpose: To examine the …

Whether and when to mandate the wearing of facemasks in the community to prevent the
spread of coronavirus disease 2019 remains controversial. Published literature across …

Background: It is uncertain if medical masks offer similar protection against COVID-19
compared with N95 respirators. Objective: To determine whether medical masks are …