A Louisiana resident’s death marks the first U.S. fatality from avian influenza, according to health officials. The individual, hospitalized with severe respiratory issues, was over 65, had pre-existing health conditions, and had contact with sick and deceased birds in a backyard flock. Genetic analysis revealed a mutation of the bird flu virus within the patient, potentially contributing to the severity of the illness. Limited patient details have been released.
Louisiana health officials announced the death on Monday.
Since March, the U.S. has seen 66 confirmed avian flu infections; however, prior cases were generally mild, mostly affecting farmworkers exposed to infected poultry or dairy cattle. Two cases, one adult in Missouri and a child in California, remain of undetermined origin.
The Louisiana case, while the first U.S. human infection linked to backyard birds according to the CDC, is not considered a mystery regarding its source.
Louisiana authorities report no additional cases within the state, and national officials confirm no evidence of human-to-human transmission.
The H5N1 avian flu strain is prevalent among wild birds, poultry, cattle, and other animals. Its increased environmental presence heightens the risk of human exposure and infection.
Officials continue advising individuals handling sick or dead birds to take protective measures, including wearing respiratory and eye protection, and gloves.
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