The variant is known as influenza A subtype H3N2 subclade K–sometimes called “subclade K” for short—and it has been detected ...

"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 virus that causes COVID-19 is accumulating genetic mutations, one of which may have made it more contagious. The number of virus strains present in each zip code in Houston during the second wave ...

Viruses are masters at disguise. When they are pushed too far by our immune system, they send new virus variants into play ...

Viruses have all kinds of tricks up their sleeves. It often does not take long for pathogens such as SARS-CoV-2 to adapt and escape immune recognition. Viruses with mutations, that evade immune ...

Viruses are masters at disguise. When they are pushed too far by our immune system, they send new virus variants into play ...

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 ...

Sometimes a strain develops that, while not entirely new, is new enough to spread more efficiently because it is not well ...

Denmark locks down northern regions and culls mink after detecting a COVID-19 mutation that may weaken immunity and ...

There has been a sharp increase in flu cases detected in Scotland over the last week, official figures show. Data from Public ...

LONDON (Reuters) - British scientists are trying to establish whether the rapid spread in southern England of a new variant of the virus that causes COVID-19 is linked to key mutations they have ...

Scientists are warning that this winter's flu vaccine will be less effective against an emerging variant of H3N2 flu named ...