The Louisiana patient was infected with the D1.1 clade of the bird flu virus, a strain that is circulating in wild birds and poultry.

The CDC reportedly found potentially troublesome bird flu mutations in Louisiana patient. This Louisiana case of bird flu marks the first instance of severe illness that's linked to the virus ...

The Louisiana patient was hospitalized with a severe case of bird flu in the first death in the U.S. caused by the H5N1 virus.

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the nation’s first severe case of the illness, the U.S. Centers for Disease Control and ...

Two backyard flocks in Louisiana have also tested positive for bird flu. In one case, the owner contracted the virus from their birds and later died.

The agency, in its latest update released Thursday, said the mutations were not found in samples taken from wild birds, suggesting the virus changed over the course of the patient’s infection.

First U.S. bird flu death reported in Louisiana patient, officials say The patient, who was older than 65 and had underlying medical conditions, was hospitalized weeks ago in critical condition ...

In 2024, at least 66 human cases of bird flu have been reported in the United States, each one raising the risk of another pandemic like COVID-19. So far, most cases have been described as “mild ...

Public health experts share concerns that the H5N1 bird flu outbreak could turn into a pandemic. What to know after Louisiana resident died in January.

A genetic analysis of viral samples from a patient in Louisiana hospitalized with the first severe case of bird flu showed mutations that may result in the virus becoming more transmissible among ...

A Louisiana patient who had been hospitalized with severe bird flu has died, the first such fatality in the United States, state health officials reported on Monday.