Add Yahoo as a preferred source to see more of our stories on Google. Graeme Sloan/Sipa USA/Newscom In closed-door congressional testimony, former chief White House medical adviser Anthony Fauci said ...

Changing people’s behavior until a vaccine could be developed prevented roughly 800,000 COVID-19 deaths in the U.S., far more than many scientists predicted was possible, according to new CU Boulder ...

Research to be presented at the 2021 American Academy of Pediatrics National Conference & Exhibition finds that social distancing requirements and masking were effective at stopping spread of flu and ...