"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 ...
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 ...
SAN FRANCISCO -- Preliminary data out of South Africa is giving the world insight into how strong omicron really is. The South African Medical Research Council just reported this variant may cause ...
Viruses are masters at disguise. When they are pushed too far by our immune system, they send new virus variants into play that are no longer recognized by immune cells. They escape our immune system ...
SAN FRANCISCO -- A case of the coronavirus variant was detected in Southern California Wednesday, while a second suspected case has been identified in Colorado. According to officials, the COVID-19 ...
The only natural host of the hepatitis C virus (HCV) is humans. Model organisms for laboratory studies, especially mice, ...
The XFG COVID-19 variant, aka "Stratus," is spreading rapidly in the U.S. as cases climb. Here's what to know about symptoms of the newly dominant strain ...
SAN FRANCISCO -- A new variant of the coronavirus that has been spreading through the UK and other countries has not yet been detected in the United States, according to the CDC. But that doesn't mean ...
DURHAM, N.C. (WTVD) -- COVID-19 remains a threat to public health, and the people on the frontlines of prevention have advice for everyone who's worried. ABC11 heard from experts associated with Duke ...
Patrick Vallance, the British government’s chief scientific adviser, said officials are concerned about the new variant because it contained 23 different changes, “an unusually large number of ...
Researchers in China have raised increasing concerns about the potential spread of a troubling flu variant capable of transmitting from cattle to humans. A recent study has shown that a virus ...
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