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 ...

Cases of the variant have popped up in several states. But neither the WHO nor the CDC considers it a variant of concern, and the fast-spreading... While the delta variant of the coronavirus has ...

SAN FRANCISCO (KGO) -- The Delta variant now accounts for more than 51% of new COVID-19 cases across the country. Los Angeles County public health officials recommend everyone wear masks inside ...

As the coronavirus pandemic continues, infections caused by the Lambda variant have been emerging in the United States, including in Texas, where Houston Methodist Hospital last month reported its ...

Here's what to know about the latest COVID strain - and how to tell if your at-home test is still good to use.

Does the new COVID variant bring a new set of symptoms and treatments? The Centers for Disease Control and Prevention reportedly spotted new COVID variant NB.1.8.1 through its airport screening ...

The new XFG "Stratus" COVID-19 variant is now the dominant strain in the U.S. The new strain is driving a recent rise in cases across several states, including California. The variant, a hybrid of two ...

First, many called it simply the coronavirus, then COVID or COVID-19. Now, we are keeping track of descriptors like alpha, beta and gamma, the variants of COVID-19. The World Health Organization ...