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, ...

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

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

It is not inevitable that H5N1 will develop into a pandemic -- if we act now. Unfortunately, instead of urgent action, we ...

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

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

Mpox had been spreading mostly undetected for years in Africa, until a 2022 outbreak reached more than 70 countries.

"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 ...

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