The H5N1 bird flu isn’t new. The CDC says the virus was first identified in Southern China in domestic waterfowl in 1996. In 1997, it spread to 18 people in China and Hong Kong.

A map showing where avian influenza H5N1 has infected humans in the U.S, with the darkest red showing California, which has had 26 cases in 2024. Bird flu also affects cows, pigs and people.

The H5N1 bird flu isn’t new. The CDC says the virus was first identified in Southern China in domestic waterfowl in 1996. In 1997, it spread to 18 people in China and Hong Kong.

The H5N1 avian influenza virus has infected birds and mammals around the world. As of June 2025, 70 people have been infected ...

H5N1 Bird Flu Outbreak: Map Reveals Confirmed US Human Cases. Published Oct 29, 2024 at 1:39 PM EDT Updated Oct 30, 2024 at 4:26 AM EDT. By . Tom Howarth is a Newsweek reporter based in Bristol, U.K.

HEALTH chiefs have warned of the danger of touching sick or dead wild birds – over risks of bird flu. In recent weeks, groups ...

The bird flu virus outbreak is found in commercial poultry and backyards. As of Dec. 19, bird flu has been reported during the past three years in more than 125 million birds in 569 counties and ...

New research uses bird droppings to track avian flu in remote regions, revealing hidden hotspots and potential for early ...

A 41-year-old woman from northwestern Cambodia's Siem Reap province has been confirmed for H5N1 human avian influenza, ...

H5N1, the most common strain of bird flu, is an HPAI. Low pathogenicity avian influenza (LPAI) This type causes less serious illness in chickens and is less likely to cause death.

Public health officials have just reported the first known “severe” case of bird flu in the United States. There are now 61 confirmed cases across eight states.