The CDC called findings about bird flu mutations in a human case “concerning” but says the risk to the general public from ...
The sample taken from the patient in Louisiana showed mutations ... Most people infected with bird flu in the U.S. have had mild symptoms. Symptoms of H5N1 birth flu infection in humans ...
Public health experts are urging vigilance amid recent reports of severe bird flu cases in two North American patients.
Doctors say the case of a teen left in critical condition shows H5N1 "can cause severe human illness." Mutations in the virus are deepening concerns about the spread of H5N1.