Bird flu H5N1 has infected dozens of people in the U.S. this year. Could it trigger the next pandemic? Experts explain the threat and symptoms to watch for.
Public health officials confirmed six additional cases of bird flu infection of farmworkers, five in California and one in Oregon, raising the U.S. total to 52 this year. The Oregon infection was the ...
Health officials have announced six more H5N1 bird flu infections in humans: five in California and the first known case in Oregon. (Charlie Neibergall / Associated Press) As H5N1 bird flu ...
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