FRESNO, Calif. (KFSN) -- The highly contagious Delta variant, according to the World Health Organization, has been found in nearly 100 countries around the world. It is one of four variants of concern ...

As the highly contagious Delta variant of COVID-19 continues to surge in populations with low vaccination rates, doctors are looking more closely at the origins of another variant. The Epsilon variant ...

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 ...

Moderna on Tuesday released preliminary data indicating its vaccine is likely to hold up against several variants of concern, including the Delta variant, which is predicted to become the dominant ...

An internal Centers for Disease Control and Prevention document obtained by several news outlets warns that the COVID-19 delta variant could be more likely to produce severe illness and can spread as ...

Epidemiology professor Dr. Timothy Brewer answers your most pressing questions about the delta variant of the SARS-CoV-2 virus. COVID-19 vaccines have provided considerable relief in the United States ...

PHILADELPHIA (WPVI) -- When comparing omicron vs. delta variants, omicron has 53% less risk of hospitalization and 91% less risk of death, CDC Director Dr. Rochelle Walensky revealed on Wednesday.

"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 ...

Matt Gaetz mocked the delta variant of coronavirus at several rallies across Florida over the weekend. Credit: Screenshot via Matt Gaetz/Twitter Florida congressional representative and purported sex ...