The CDC has confirmed the first severe case of bird flu in a human in the U.S.

NPR
This colorized electron microscope image released by the National Institute of Allergy and Infectious Diseases in March shows avian influenza A H5N1 virus particles (in yellow). The CDC says the first severe case of bird flu detected in a human during the current U.S. outbreak.

A person in Louisiana has been hospitalized after becoming infected with a case of bird flu that's been linked to wild birds and poultry.

(Image credit: AP)

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