One thing we know for sure about SARS-CoV-2, the virus that causes COVID-19, is that it keeps changing. Since the start of the pandemic, we have seen several notable variants, including Alpha, Beta, ...

The fast-spreading delta variant of the coronavirus has been gaining traction worldwide since it was first detected in India. It’s a version of the coronavirus that has been found in more than 80 ...

The delta variant is becoming the dominant coronavirus strain in the U.S. and many schools are taking the increase into account when planning for a safe opening in the fall. “The delta variation is ...

The delta variant has emerged as the dominant strain of the novel coronavirus in the United States, according to updated data from the Centers for Disease Control and Prevention (CDC). The CDC’s ...

Novo Nordisk and Eli Lilly say GLP-1 drugs slowed aging clocks, but the data are early and unreviewed. Here is what patients should know. Had Gestational Diabetes or Postpartum Depression? Large Study ...

Moderna on Tuesday released preliminary data indicating its vaccine is likely to hold up against several variants of concern, including the Delta variant, which is predicted to become the dominant ...

The World Health Organization and the Centers for Disease Control and Prevention have both designated beta as a “variant of ...

A national study of 4,523 U.S. adults with dementia linked higher weight at diagnosis to longer survival. Here is what it means for caregivers. Tax-exempt hospitals now sell longevity programs from $5 ...