The U.S. is in peak flu season, as the CDC releases a map of influenza activity across the country. See which states are at ...

Gaines County, where the recent measles outbreak is strongest, shows higher shares of vaccine-exempt students than North Texas counties since the 2013-14 school year. Here’s what that chart ...

While Robert F. Kennedy Jr., President Donald Trump’s pick to lead the US Department of Health and Human Services, has backpedaled on his anti-vaccine rhetoric during his Senate confirmation ...