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

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 ...

Masks work. Especially respirator-style N95 masks. Amid an ongoing pandemic and outbreaks of influenza and RSV caused by airborne viruses, arguing over the virus-blocking power of masks remains one of ...

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.