Bird Flu 2024 Outbreak. Bird flu, also called avian flu or avian influenza, refers to infections caused by the avian influenza type a viruses. The first human case of h5n1 bird flu linked to an outbreak in dairy cows in the united states was reported on april 1, 2024, in texas.
Since 2022, bird flu in the u.s. A patient in missouri who was hospitalized after an infection with bird flu had the h5n1 strain of the virus, the us centers for disease control and prevention.