The soaring price of eggs is a ripple effect of an ongoing outbreak of avian influenza, also known as H5N1 or bird flu, which has spread from wild birds to dairy and poultry farms, infected cats, and ...

Health officials on Wednesday confirmed the first known severe illness in the U.S. caused by bird flu, and California's governor declared a state of emergency as the virus rampages through dairy ...

For the past three years,a novel form of bird flu has wiped out millions of animals in the United States, from snow geese to backyard chickens.

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The ongoing spread of the highly pathogenic bird flu worldwide is reaching an “unprecedented” scale, a United Nations agency warned Monday. Speaking at a conference in Rome, key members of the Food ...