Public health officials have confirmed the first human case of H5N1 bird flu in Los Angeles County this year. A statement released on Monday said that the infected person, an adult, was exposed to infected livestock while at a worksite.

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Health officials in Stanislaus County have reported the first human case of bird flu in a resident who had contact with infected dairy cattle.

"This is the first human case of H5 bird flu detected in LA County," the statement said. "The person had mild symptoms, has been treated with antivirals, and is recovering at home