The effort to monitor and protect the population is ongoing. Experts stunned as animal colony on remote island rebounds from ...

The Health and Human Services Department under Kennedy took unprecedented steps to change how vaccines are evaluated, ...

Experts urge U.S. to prepare for possible new pandemic as H5N1 bird flu outbreak spreads with dairy animal and human cases. Here's what to know.

H5N1 Outbreak In The US: H5N1 is a highly infectious respiratory disease that can cause a range of diseases in humans, from mild to severe. In some cases, it can also be fatal.

Of the seven H5N1 strains, six were grouped with H5N6 reference strains from Hangzhou and Shandong, as well as H5N1 reference strains from Florida, Hong Kong, ... Reference strains from South Korea ...

The panel of IAVs included Texas/37 and MI/90 viruses, an additional 2.3.4.4b A(H5N1) virus isolated from a human with severe respiratory infection (A/Chile/25945/2023 [Chile/25945]), 10 a ...

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.

In an addendum to a H5N1 avian flu technical report, the US Centers for Disease Control and Prevention (CDC) yesterday posted details about Chile's recent human case and findings from a genomic ...

The HPAI H5N1 clade 2.3.4.4b viruses have notably expanded its geographical reach, affecting numerous countries, diverse avian species, ... Brazil, Colombia, Ecuador, Chile, Peru, and Venezuela — ...

Until this point, the outbreak of H5N1 in dairy cows—which was declared in March 2024—was entirely caused by H5N1 clade 2.3.4.4b, ... However, it was seen before in a 2023 human case in Chile.