A new variant of the bird flu has infected a dairy worker in Nevada marking the state's first human case of the H5N1 avian influenza.

A dairy worker in Nevada has been infected with a strain of H5N1 bird flu—genotype D1.1—that has newly spilled over to cows, the Centers for Disease Control and Prevention has confirmed.

A Nevada dairy worker was infected with a version of bird flu that is known to have killed one person in the United States and severely sickened a teen in Canada, state and federal health ...

A dairy worker in Nevada has been confirmed to be infected by a new bird flu strain found to be spreading among cows in the state last week. That strain of the H5N1 bird flu virus, called D1.1 by ...

A new variant of the bird flu has infected a dairy worker in Nevada, marking the state's first human case of the H5N1 avian influenza. The worker was exposed to the D1.1 strain after working with ...

A dairy worker in Nevada was infected with a new type of bird flu that’s different from the version that has been spreading in U.S. herds since last year, federal health officials said Monday ...