As mask mandates are lifted and restrictions removed in a step toward normalcy, a test to measure immunity would be a powerful tool to measure individual risk. In 2010, doctors told Ben Sobieck, now ...

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 ...

The pandemic’s formal end in the U.S. on May 11 marks neither victory nor peace: It’s a cessation of hostilities with a dangerous virus that is still very much with us. To maintain such an uneasy ...

Covid-19 was never just another cold. We knew it was going to stick around and keep changing to try to get the upper hand on our immune systems. But we’ve changed, too. Our B cells and T cells, ...

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 ...

A new blood test can help determine how long a vaccine will last in a person The test is based on a new understanding of what makes a durable vaccine response It looks for blood cells shed by cells in ...

Whether you're welcoming home a new baby, flying to a new destination for a vacation or working around sick patients as a doctor or nurse, your immunity is your invisible armor against all the bugs ...

There have been hundreds of measles cases reported in the U.S. since the beginning of the year. Here's what you need to know ...