The CDC confirmed the first US-based severe human case of H5N1 bird flu in Louisiana in December. The Louisiana Department of Health reported Monday that the patient had died. The LDH revealed that the patient was over age 65,

The death in Louisiana — involving a person with underlying health conditions — is the first human case in the United States linked to exposure to backyard birds, according to the federal Centers for Disease Control and Prevention.

The first human patient in the United States with a confirmed case of avian influenza has died, according to a press release from the Louisiana Department of Health. The individual was older than 65 years and had underlying medical conditions and remains the only known human case in the state.