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 ...

Recently, Dr. Anthony Fauci said the delta variant of the novel coronavirus is the greatest threat to eliminating COVID-19 we have seen yet. The highly contagious variant, which was first found in ...

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 ...

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 ...

LOS ANGELES (KABC) -- While overall COVID-19 rates remain relatively low in Southern California amid continuing vaccination efforts, officials are increasingly worried about a growing threat from the ...

PHILADELPHIA (WPVI) -- New numbers are shedding light on just how quickly the Delta variant of COVID-19 is spreading in the United States. The more contagious Delta variant now makes up 83% of ...