Bird flu detected in poultry at Maricopa County farm, marks 3rd Arizona case in 2025

PHOENIX — Bird flu was recently detected at a poultry farm in Maricopa County, officials announced Monday.

The risk to the public remains low, according to the Arizona Department of Agriculture (AZDA). People that were in close contact with the birds are the most at risk.

Eggs at risk of bird flu have not entered the food supply and there have been no signs of human illness, according to the AZDA. The farm was placed under quarantine. Sanitation efforts are being made to eliminate the spread of bird flu.

This marks the third time in 2025 that bird flu has been detected in Arizona. Bird Flu was previously detected at a poultry farm in Maricopa County last week.

How was bird flu detected at Arizona farm?

Samples were sent to the Arizona Veterinary Diagnostic Lab after birds showed signs consistent with bird flu on May 29. The samples were then submitted to the National Veterinary Services Laboratory for confirmation.

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