Bird flu strain that just jumped to cows infects dairy worker in Nevada

February 12, 2025

Cows in a pasture

(Ars Technica) – 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.

The worker experienced conjunctivitis (pink eye) as the only symptom and is recovering, according to a separate press release by the Central Nevada Health District Monday. (Read More)