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 ...

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 ...

University of Birmingham experts are developing a non-invasive saliva test that - within 15 minutes - might identify children across the Global South missing immunity to tetanus who may also have ...

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 ...