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 ...

Many of us have heard about the different variants of the SARS-CoV-2 virus that was reported for the first time in Wuhan, China, in December 2019 and has spread throughout the world, among them the ...

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 ...

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 ...

NEW YORK - Pfizer on Wednesday shared data about a third dose of its COVID-19 vaccine that suggests it "strongly" boosts protection against the more contagious delta variant of the coronavirus, which ...

Health officials from South Korea’s Disease Control and Prevention Agency reported on Tuesday that they had confirmed an additional two cases of a new, worrying coronavirus variant. So far, relatively ...