Differing strains of the coronavirus continue to appear around the world and a new COVID-19 variant, the so-called "Delta" variant, has health experts concerned. The variant, otherwise known as B.1617 ...

Here’s what the Centers for Disease Control and Prevention (CDC) says about the Delta variant, its symptoms, characteristics and other things to watch for: Viruses constantly change through mutation, ...

The delta variant is fueling the COVID-19 surge in the United States, but experts warn that a more dangerous variant could emerge if more Americans don't get vaccinated. Delta is the most recent of ...

KANSAS CITY, Mo. (AP) - As the U.S. emerges from the COVID-19 crisis, Missouri is becoming a cautionary tale for the rest of the country: It is seeing an alarming rise in cases because of a ...

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

The University at Buffalo uses genomic sequencing to determine what kind of new coronavirus variants are causing Covid-19 in Western New York. Jennifer Surtees is associate professor of microbiology ...