Map of the Columbian Exchange between the New World and the ... From the start, the pigs aboard Columbus’ ships immediately ...

Another cause for concern: flu season is underway in the U.S., and as seasonal influenza virus goes around, “humans, ...

Viruses work by taking control of our cells and carefully reprogramming them into machines to make more viruses. Because of ...

The 2009 influenza pandemic A(H1N1)pdm09 of swine origin and the continued circulation of highly pathogenic avian H5N1 strain in humans are stark reminders of the unpredictable nature of the ...

The H5N1 strain of avian flu is now passing easily among South America's elephant seals and drastically cutting herd ...

The CDC study provides the largest window to date into how the bird virus first detected in March in dairy cows may be ...

A year after an outbreak of H5N1 killed thousands of elephant seals, only about a third of the seals normally expected here ...

Emails show Wisconsin officials did not have a plan for issuing guidance in Spanish, the dominant language for most dairy ...

Health officials began providing the safety gear long before the first human case in California was announced in October.

The CDC said Thursday it is updating its recommendations for testing, treatment and protection for workers who may be exposed animals infected with bird flu.

The National Pork Producers Council emphasized that there are no safety concerns about U.S. pork supply, noting the pork ...

A new study revealed more farmworkers had signs of infection, even though they reportedly did not display symptoms of illness.