CDC director Rochelle Walensky told the US Senate that the highly transmissible variant is now the dominant strain in the United States.

SANTA ANA, Calif. (CNS) -- Seven more COVID-19 deaths were reported Thursday in Orange County, a reflection of the more contagious Delta variant-fueled surge of infections. The seven fatalities raised ...

The internal CDC document said the Delta variant was more transmissible than the viruses that cause MERS, SARS, Ebola, and the seasonal flu.

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 ...

WASHINGTON - The COVID-19 death toll in the United States reached 700,000 people Friday, as the nation braces for yet another possible surge as cold weather drives people indoors amid the ongoing ...

The state’s experience with the disease unfolded in seven phases, and Alaska Natives had the highest death rates, says ...

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 ...