A gene variant found more often in people who live past 100 has reversed key markers of cardiac aging in laboratory tests on human heart cells and in aged mice. The variant, known as LAV-BPIFB4, ...

Viruses are masters at disguise. When they are pushed too far by our immune system, they send new virus variants into play that are no longer recognized by immune cells. They escape our immune system ...

New, highly contagious variants of the coronavirus are a "threat" to the United States and could reverse the recent drop in Covid-19 cases and hospitalizations, the head of the Centers for Disease ...

The Centers for Disease Control issued a statement that reversed its previous assessment regarding the most recent COVID-19 variant. Currently, the latest variant, referred to as BA.2.86, is combated ...