The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...

The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...

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 ...

Several COVID-19 variants are acting uniquely enough to qualify as a distinct strain. And you might have heard about one on ...

CNN — A new and slightly changed version of the Delta coronavirus variant is spreading in a number of countries including the United Kingdom, United States and India, health officials say. This strain ...

"It's the biggest experiment that's ever happened." In a stunningly short period of time, the delta variant has changed the course of the COVID-19 pandemic by evolving to become more transmissible ...

With the Delta variant in play, federal health officials are analyzing the latest numbers to look at the frequency and seriousness of COVID-19 breakthrough infections. Will we need booster shots? And ...

If more Americans don't get vaccinated, there is "ample chance" of another coronavirus variant emerging, one that could be more aggressive and more pervasive than the delta variant, Dr. Anthony Fauci ...

Estimates show the variant accounts for over 51% of all new cases nationwide. A highly contagious variant of the novel coronavirus that was initially identified in India is now the dominant strain in ...