A new covid-19 variant called XEC may spread more easily than past variants, but current vaccines are still effective against ...

The new and contagious XEC COVID-19 variant is spreading rapidly in several countries. Will it cause a surge in the U.S.?

The side effects of newly discovered COVID strain XEC might not be more severe, but appears to be more contagious, ...

Driving recent surges in SARS-CoV-2 infection rates are mutations that appear more transmissible, as well as waning immunity from prior infection or vaccination. By mid-September, the Centers for ...

A second health worker in contact with the Missouri patient who tested positive for bird flu also developed symptoms but wasn ...

Should your cat sleep with you? Sharing your bed with your cat increases the risk of transmitting zoonotic diseases, which ...

A new COVID-19 variant spreading overseas is now expected to become the primary strain in the U.S., possibly before the ...

"Initial testing by the National Veterinary Services Laboratories has not found changes to the virus [HPAI] that would make it more transmissible to humans," the USDA said. "Which would indicate that ...

Congo's South Kivu province is at the epicenter of the world’s latest mpox outbreak, in what the World Health Organization ...

KAMITUGA, Congo -- Slumped on the ground over a mound of dirt, Divine Wisoba pulled weeds from her daughter's grave. The ...

"It does seem to be more transmissible to people who have had recent infection and recent vaccines," he said. The Utah ...

The new "XEC" COVID-19 variant spreading rapidly in Europe has arrived in the US. What are the symptoms, will it cause a fall ...