The CDC said Thursday its analysis of samples from a Louisiana patient with bird flu showed mutations not seen in samples from an infected backyard flock

A patient in Louisiana has been hospitalized with a severe case of H5N1 bird flu, the US Centers for Disease Control and Prevention said, the first such case in the United States.

A person in Louisiana has been hospitalized with a severe case of the bird flu. It is the first known human H5N1 infection in the United States, according

In a case first reported in Louisiana, a patient has now developed the first known case of bird flu so severe as to require hospitalization.

Samples from a hospitalized patient in Louisiana show changes that could make the H5N1 virus spread more easily between humans

It was the fourth instance of H5N1 bird flu in a domestic flock in Vermont since the spring of 2022 and “emphasizes the ongoing need for vigilance as the disease continues to be

The ongoing spread of bird flu in the United States has alarmed experts -- not just because of human cases causing severe illness, but also due to troubling new instances of infections in cats. A sample of the virus found in a critically ill patient in the United States has shown signs of mutating to better suit human airways,

The bird flu virus found in a severely ill patient hospitalized in the United States has mutated to become better adapted to human airways, though there is no evidence it