A Michigan farm worker has been diagnosed with bird flu, becoming the second U.S. case tied to dairy cows.A human case of highly pathogenic avian influenza virus infection in the United States has been identified in the state of Michigan, the CDC says. A Michigan farm worker has been diagnosed with bird flu — the second human case associated with an outbreak in U.S. dairy cows.had mild symptoms, Michigan health officials said in announcing the case Wednesday.
A nasal swab from the patient of this most recent case tested negative for influenza in Michigan. But an eye swab was shipped to the U.S. Centers for Disease Control and Prevention and tested positive for influenza A virus, indicating an eye infection.There's no question H5N1 bird flu has 'pandemic potential.' How likely is that worst-case scenario?
That hasn't happened, although there's been a steady increase of reported infections in cows. As of Wednesday, the virus had been confirmed in 51 dairy herds in nine states, according to the U.S. Agriculture Department.