Changing guidance around COVID-19 vaccines, specifically, has been central to RFK Jr.'s run as health secretary. A judge just struck some of it down.

As the respiratory illness season begins, COVID cases have remained relatively under control in the United States into the beginning of fall. While the United States by and large is experiencing ...

LOS ANGELES -- As COVID-19 vaccines are starting to be administered around the country and the world, we've built an interactive tool to help you find out how many vaccine doses have been distributed ...

New COVID-19 cases continue to crop up nationwide as new variant XFG makes gains both domestically and abroad. Some regions of the United States are experiencing higher rates of positive COVID-19 ...