A patient in Louisiana has died of bird flu. Health authorities considered the case to be the first severe H5N1 infection in a U.S. resident.

The CDC previously confirmed the first severe human case of bird flu in Louisiana, but now the CDC has confirmed a virus mutation. Find out more here

The first Louisiana patient with bird flu has died, officials with the state health department said Monday. The death is the first U.S. H5N1-related human death, the agency said.

Louisiana reported its first death in the US from bird flu. Local health officials stated that a patient who was admitted with a severe case of H5N1 avian flu passed away. The Louisiana Health Department confirmed the death.