Federal health officials say a dairy worker in Nevada has been 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.

A Nevada dairy worker was infected with a new bird flu strain, marking the first case traced to cattle. Federal health officials say a dairy worker in Nevada has been infected with a new type of bird ...

A dairy worker in Nevada has reportedly been infected by the killer variant of H5N1 bird flu; analysis shows changes in new strain that makes it more lethal in mammals.

A Nevada dairy worker was infected with a new bird flu strain, marking the first case traced to cattle. ... The newer version, known as D1.1, was confirmed in Nevada cattle on Jan. 31.

A Nevada dairy worker was infected with a new bird flu strain, marking the first case traced to cattle. ... The newer version, known as D1.1, was confirmed in Nevada cattle on Jan. 31.

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 Nevada dairy worker was infected with a new bird flu strain, marking the first case traced to cattle. ... The newer version, known as D1.1, was confirmed in Nevada cattle on Jan. 31.

A Nevada dairy worker was infected with a new bird flu strain, marking the first case traced to cattle. ... The newer version, known as D1.1, was confirmed in Nevada cattle on Jan. 31.

A Nevada dairy worker was infected with a new bird flu strain, marking the first case traced to cattle. ... The newer version, known as D1.1, was confirmed in Nevada cattle on Jan. 31.

Federal health officials say a dairy worker in Nevada has been 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.

A Nevada dairy worker was infected with a new bird flu strain, marking the first case traced to cattle. ... The newer version, known as D1.1, was confirmed in Nevada cattle on Jan. 31.

Federal health officials say a dairy worker in Nevada has been 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.