New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

A new paper from a team of Cornell University researchers shows that the highly pathogenic avian influenza H5N1 virus causes severe mastitis and decreased milk production in dairy cows, a drop-off ...

The Brazilian Agriculture Ministry said on Tuesday that Jordan, Peru and Hong Kong removed trade restrictions on chicken meat related to the bird flu outbreak in a Brazilian commercial farm in May, ...

Bird flu fears have focused on the poultry and dairy industries and human health. But wild animals are threatened, too—at ...

Uhart worries similar issues may develop because of bird flu—particularly in Antarctica, where Brown Skuas that eat seal carcasses, penguin chicks and seabird eggs have been hard hit. Especially in ...

Influenza viruses are shifty entities. A seemingly ingenious and sneaky way for viruses to make these leaps is by swapping genetic material with other flu strains. Called reassortment, this ...

OTTAWA — The Federal Court of Appeal reserved its decision in a case involving two B.C. farmers who are fighting an order from the Canadian Food Inspection Agency to destroy around 400 ostriches ...

Local Sacramento Zoo welcomes 4 flamingo chicks. How do bird keepers help them grow?

TAWFIQIYA, Egypt — Chickens used to roam every dusty street in every village across Egypt, and many of its city alleys too. But bird flu is changing that. Chickens have nearly all vanished from ...

The Centers for Disease Control and Prevention ended its emergency response to bird flu as the outbreak that sickened dozens of people, spread to cattle, and drove up egg prices has abated. Bloomberg ...

The Centers for Disease Control and Prevention (CDC) has ended its emergency response to the H5N1 avian flu. A spokesperson for the Department of Health and Human Services (HHS) said that the ...

The CDC is reporting that H5N1 bird flu cases in animals have declined, and there haven't been any new human infections since February.