Poultry in a backyard flock in Maricopa County tested positive for bird flu on Nov. 21, according to a joint release from the Arizona Department of Agriculture and the Arizona Department of Health Services.

PHOENIX - Arizona officials say avian influenza has been detected in Maricopa County. Per a statement released jointly by the Arizona Department of Health Services and the Arizona Department of Agriculture on Nov. 25, poultry in a backyard flock within the county tested positive for bird flu.

The Arizona Department of Health Services says poultry in a backyard flock located in Maricopa County has tested positive for Avian Influenza.

H5N1, also known as the Avian Influenza or "Bird Flu," has been detected in a batch of raw milk sold in California. According to the California Department of Public Health's (CDPH) recall notice, it is "warning the public to avoid consuming one batch of cream top,

State health officials issued another warning about a batch of raw milk produced in California after a second detection of bird flu virus has been confirmed, the California

State regulators are warning about the voluntary recall after the virus was detected in a retail sample last week.

"And the one we have right now is highly aggressive and especially extremely devastating to the poultry industry. It can kill almost all the birds in a flock very quickly when it gets into it."

Not so long ago, there were the first bird flu cases among cows confirmed in the United States, causing concerns about dairy and milk consumption. Earlier in September, there was the first case of a person from the United States testing positive for the virus,

Health officials in British Columbia, Canada, have failed, for now, to confirm how a teenager there became infected with H5N1 bird flu.