With the H5N1 bird flu virus likely here to stay, some poultry producers, disease experts and government officials are questioning the practice of widespread culling in response to outbreaks.

Transmission electron microscope image of an influenza A H5N1/bird flu virion. Note: micrograph image is by CDC; visual effects by NIAID. / Credit: CDC and NIAID Researchers have now identified a ...

The H5N1 bird flu, spreading across all 50 U.S. states, raises concerns about a potential pandemic. The virus has impacted dairy farms, poultry flocks, and humans, with one confirmed human death ...

H5N1 avian flu has impacted a significant number of poultry, according to the California Department of Food and Agriculture. According to the latest department report, around 23 million infected ...

Recently, the new H5N1 clade 2.3.4.4b caused an outbreak in U.S. dairy cows, subsequently transmitted to humans (dairy farm workers), threatening human health. Created with Biorender.

Bird flu, also known as H5N1, has been around for decades. But the discovery in 2024 that the virus spread from wild birds to cows came as a surprise to public health experts, according to officials.

Experts warn about the possibility of a new pandemic in 2025 as the H5N1 bird flu virus spreads across all 50 states, impacting US dairy farms and leading to human infections. Here's what to know.

Influenza A(H5N1) viruses are an emerging zoonotic threat and have spread widely throughout birds in North America. Recently, influenza A(H5N1) infection led to serious illness in a teenager in ...

H5N1 viruses have circulated in birds for many years, but a new version—clade 2.3.4.4b H5N1 virus—emerged more recently and has since spread among cattle. This current H5N1 strain does not ...

In 2024, as zoos were hit hard by H5N1 bird flu, big cats were particularly affected: tigers, lions, a cheetah, and a panther all died after being infected with the same virus that has caused egg ...

The genotype of H5N1 that originally jumped into cows from birds is called B3.13. This type has been associated with relatively mild illness in cows and humans. But earlier this month, federal and ...

Experts warn about the possibility of a new pandemic in 2025 as the H5N1 bird flu virus spreads across all 50 states, impacting US dairy farms and leading to human infections. Here's what to know.