The short answer is that the evidence remains surprisingly weak. Studies conducted before the COVID pandemic generally found ...

This week marks five years since March 13, 2020, the day President Donald Trump declared a national state of emergency over the novel coronavirus outbreak. The White House issued the President's ...

A new review of mask studies is generating buzz about whether masks work to prevent COVID. The review doesn't draw any major conclusions — but people are using it to say mask mandates failed. Mask ...

With flu season arriving early and NHS leaders encouraging people with symptoms to wear masks in public, a question arises: ...

Face masks can help to reduce transmission of respiratory viruses such as influenza, according to experts and medical ...

C Raina MacIntyre receives funding from mask manufacturer Detmold for testing of their masks and is on an advisory board for mask manufacturer Ascend. She receives funding from Sanofi for investigator ...

In relation to the research reported here, there was no direct funding. Trish Greenhalgh has received funding for related work from Wellcome Trust and National Institute for Health and Care Research.

A new gold-standard review of mask studies suggests we don't know much about how well masks work. Don't be fooled.