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

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 ...

A new strain of the mpox-causing monkeypox virus spreading in central Africa is the latest scourge to set off a global health ...

Pfizer's and Moderna's formulas have been the go-to on pharmacy shelves, but Novavax remains an important option.

One major reason why it has been difficult to develop an effective HIV vaccine is that the virus mutates very rapidly, ...

A new COVID variant is spreading rapidly and could soon become the dominant variant around the globe. The variant, called XEC, was first detected in Germany in August and appears to have a growth ...

Rachel Bartell, Elijah's mom, says the paramedics bought them precious minutes so he could be transported to the hospital, ...