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.

While H5N1 influenza has become endemic in Southeast Asian bird populations (the map shows the current range of the virus), deaths and infections have not, to date, spread rapidly in the human ...

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 ...

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.

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.

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

We simply don't know when it will occur or whether it will be caused by the H5N1 avian influenza virus. ... killing 6 of 18 infected persons (see map and time line).

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.

The influenza A viruses, which have instigated deadly pandemics in the past, still remain a major global public health problem until today. Molecules known as virulence factors are produced by ...

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.