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

Wild birds are natural hosts and reservoirs for all types of avian influenza viruses, so play a major role in the evolution, maintenance and spread of these viruses. Poultry infected with LPAI viruses ...

Chickens will be euthanized at an undisclosed Franklin County commercial poultry operation after the first detection this year of avian influenza ... birds were lethargic and showed other signs ...

H5N1 bird flu virus has been found in a pig ... Oregon that was experiencing an H5N1 outbreak in poultry. The pig did not display signs of illness, but was euthanized and necropsied — the ...

What we currently know is this: H5N1 bird flu infected poultry on a small American non ... When it comes to which animals to watch for signs of such a change happening, some animals are more ...

The farm, which has a mix of poultry and livestock, was the same site where both the federal and Oregon Department of Agriculture euthanized 70 birds affected by the flu last week. In response ...

Bird flu was first detected in poultry on the noncommercial farm ... State and federal officials said the swine did not display signs of illness. State and federal officials tested the five ...

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

Oregonians raise about 3,000 pigs every year and at least one just became infected with bird flu ... of the farm with chickens — were also tested with oral swabs and one was positive for the virus.

At least eight eastern Washington farm workers have tested positive for the bird flu after being in close contact with sick poultry.