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 ...

When you see an immune response in your arm, it's going to be a different cast of characters than if you see an immune response in your lungs," Pepper said.The immune system "is like lots of different ...

There's still a lot of confusion around the best time to take a COVID test and where to get them. Here, experts share their ...

EVANSTON, IL — Is it possible you were infected with a mild form of COVID-19 and didn’t know it? How robust is your body’s immune response to the vaccine, and how will we know whether we’ve reached ...

Ordering for free, at-home COVID test kits opened through the United States Postal Service Thursday, weeks after an announcement from the U.S. Department of Health and Human Services that ordering ...

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, ...

It's official -- your household can now order free, at-home COVID-19 test kits from the United States Postal Service, a U.S. government website dedicated to the free kits said Thursday. As of Thursday ...