Federal health officials say that not only has a Louisiana resident contracted the first severe case of bird flu in the U.S., ...

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the ...

In a positive finding, the CDC emphasized that there is no evidence the virus has spread from the Louisiana patient to others ...

A genetic analysis of viral samples from a patient in Louisiana hospitalized with the first severe case of bird flu showed ...

The CDC said that testing of a person with a severe case of bird flu indicated the virus had mutated but the risk remains low ...

A genetic analysis of the bird flu in the body of a Louisiana man who contracted the first severe case found it mutated ...

The virus is spreading among animals, while viral mutations raise concerns about potential adaptation to human hosts.

An individual in Louisiana has the first severe ... No person-to-person spread of H5N1 bird flu has been detected in any of the cases. The CDC said the latest case does not change the agency ...

A person in Louisiana has the first severe illness caused by bird flu in the U.S., the Centers for Disease Control and Prevention announced Wednesday. Officials determined the patient had exposure ...

A microscope-enhanced image shows the H5N1 bird flu virus in cultured cells ... and Respiratory Diseases, Louisiana health officials and the CDC are investigating the patient's contacts and ...

A Louisiana resident has been hospitalized ... For more information on preventing H5N1 bird flu and safety guidelines, visit the CDC’s website.