The HPAI H5N1 virus has spread globally, infecting birds, mammals, and some humans. Most human cases are mild.

Avian influenza has spread far beyond the nation's birds, infecting all manner of creatures from zoo animals, wild mammals, ...

In October 2024, as the disease lingered and rebounded, more than 2.8 million birds died ... from an average of $1.84 a dozen in September 2021 to $3.82 in September 2024. H5N1 was recently ...

The H5N1 virus that’s infecting multiple bird species worldwide ... broke the back of that pandemic in 2021 and 2022 by reducing the rates of severe disease and death rates to more manageable ...

Ison, M.D., M.S., chief of the Respiratory Diseases Branch ... In late 2021, HPAI H5N1 spread from Europe to North America causing sporadic infections among wild birds and poultry farms.

More than 300 million poultry birds have been killed or culled since October 2021, while 315 different ... according to the Centers for Disease Control and Prevention. There are also fears that ...

The U.S. Centers for Disease Control and Prevention (CDC) on Wednesday confirmed the first case of severe bird flu in the United States. The patient had been exposed to sick and dead birds in ...

An i‘iwi perches on a mamane branch in Hosmer Grove in 2021. State and federal ... extinction of Hawaii’s native forest birds as they fall victim to disease. If the Hawaiian honeycreepers ...