CALIFORNIA, USA — Health officials in California have confirmed the first documented cases of bird flu in humans at Central Valley farms where infected dairy cows were detected.
Since then, 36 others have tested positive for the HPAI A(H5N1) virus.
According to a March 13 investigation posted to the Centers for Disease Control website, the California Department of Food and Agriculture was notified that most of these cases involved dairy farm workers exposed to infected cows…