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 ...

Stephanos Bibas, of the U.S. Court of Appeals for the Third Circuit, said judges are struggling to apply the test for the "discretionary function exception." An appellate judge has called for the U.S.

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 ...