The COVID-19 variant KP.3.1.1 rose 12.7% and now makes up over 50% of COVID cases, the CDC Nowcast data tracker shows.

The side effects of newly discovered COVID strain XEC might not be more severe, but appears to be more contagious, ...

COVID symptoms can be mild, severe, or nonexistent, according to the CDC—and can appear as late as two weeks after you’ve ...

Whooping cough cases have gone up in the U.S. compared to last year, according to new statistics from the Centers for Disease ...

As flu season nears, so do new COVID-19 variants. A newly discovered COVID strain known as XEC continues to spread rapidly ...

COVID-19 cases in Wisconsin and across nearly half of the United States are at "high" and "very high" levels of activity at ...

Centers for Disease Control Director Mandy Cohen spoke with Boston 25 on Thursday morning about how Massachusetts residents ...

The latest strain of the COVID-19 virus, XEC, is circulating across the country. The new variant has been reported in at ...

A new covid-19 variant called XEC may spread more easily than past variants, but current vaccines are still effective against ...

The winter season ushers in a new globally spreading COVID-19 variant called XEC, a mix of KS.1.1 and KP.3.3, both from the ...

In a report published Thursday, whooping cough cases were more than four times the amount at this time last year.

Florida officials are issuing conflicting statements with the Centers for Disease Control and Prevention about COVID-19 ...