VIRGINIA BEACH, Va. — The Virginia Department of Health said Thursday that it's monitoring additional possible exposures to measles around Washington, D.C. VDH says this happened when a Maryland ...

Scientists are getting a better handle on the complexities of how immunity works. Attentive readers might have noticed my absence over the last couple of weeks. I’ve been trying to recover from a bout ...

Groundbreaking new tests reveal patterns in our immune systems that can signal underlying disease and tell us how well we might recover from our next cold. I got my results in a text message. The ...

Sat, January 24, 2026 at 2:56 PM UTC The immune system is the body’s natural defense network that helps to keep you healthy from things like bacteria, viruses, and parasites. It’s a complex network of ...

Experts say immune health isn’t about never getting sick. Instead, researchers increasingly focus on “immune resilience,” the body’s ability to respond to infections effectively and return to balance ...

Herd immunity occurs when enough people in a group are immune to a specific infection that it cannot spread easily from person to person. Vaccination programs have been successful in creating herd ...

Add Yahoo as a preferred source to see more of our stories on Google. Orioles' Pete Alonso invites comedian John Oliver's son to a game after breaking young Mets fan's heart ...