MONROE COUNTY, Mich. — A backyard bird flock in Monroe County has tested positive for highly pathogenic avian influenza (HPAI), also known as bird flu, according to the Michigan Department of Agriculture and Rural Development (MDARD). The confirmation came as part of a broader statewide investigation, with the Michigan State University Veterinary Diagnostic Laboratory identifying the virus in several locations across Michigan.

This latest detection marks the fourth case of HPAI in Monroe County in 2025, underscoring ongoing concerns about the spread of the virus among domestic bird populations. State officials are urging all local flock owners, whether small-scale backyard keepers or commercial producers, to tighten biosecurity practices to prevent further outbreaks.

HPAI is a highly c

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