Five years after Donald Trump declared a national COVID emergency, here's what the research says about face masks.

and KN95 masks. Because face masks can help prevent you from getting and spreading COVID-19, the CDC currently suggests ...

KN95 masks are regulated by the Chinese government ... and other first responders who are at high risk of exposure to COVID-19. If N95 masks are not available, the CDC recommends using a well ...

Suppose you’re not fully vaccinated or immunocompromised and don’t want to wear an N95 or KN95 mask but want to prevent yourself from getting COVID-19 while traveling. In that case ...

Seek medical care or testing for COVID-19 if you have symptoms consistent with a respiratory virus. Wear a high-quality mask (KF94, KN95 or N95) for 10 days to help prevent an outbreak on our campus.

Four years after the Covid-19 pandemic's onset ... surgical and cloth masks provide equivalent virus protection to KN95 or N95 masks. Some Americans have steadfastly resisted masking for symbolic ...

Seek medical care or testing for COVID-19 if you have symptoms consistent with a respiratory virus. Wear a high-quality mask (KF94, KN95 or N95) for 10 days to help prevent an outbreak on our campus.

This week marks five years since March 13, 2020, the day President Donald Trump declared a national state of emergency over the novel coronavirus ... wear cloth masks in public to slow the spread ...