(CBS DETROIT) - Wayne County has its first confirmed case of the highly pathogenic avian influenza, state officials reported Friday.

The "bird flu" virus was first detected in Michigan in 2022; and has been the focus of attention in recent weeks both in the state and across the country. The highly pathogenic avian influenza known as HPAI is highly contagious; it can be spread among wild and domesticated birds and animals and has sometimes spread to humans.

The Wayne County case involves a backyard poultry flock, the press release said. That case was confirmed after an investigation by the Michigan Department of Agriculture and Rural Development and the Michigan State University Veterinary Diagnostic Library.

After the virus was confirmed, the affected premises was under quarantine and the birds "were depopulated to prevent disease spread," the press release said.

There also was an Oakland County case involving a backyard poultry flock confirmed Jan. 8. Other cases tracked by the state in recent weeks include commercial poultry and a dairy herd.

The signs that those who are owners of small flocks are two or more dead birds within a 24-hour period, and symptoms of illness among the other birds that include acting lethargic and tucking their head close to their body.

State officials urge the use of personal protective equipment and biosecurity protocols for individuals who may be around affected birds or animals. The U.S. Centers for Disease Control and Prevention said human infections of avian influenza can happen when the virus gets into a person's eyes, nose or mouth or is inhaled.

"The spread of avian influenza viruses is very rare, and when it has happened, it has not led to continued spread among people," the CDC added.

No birds or bird products infected with HPAI are allowed to enter the commercial food chain, state officials said.

To help prevent the spread, Michigan residents are urged to:

For information on the state's monitoring of HPAI, go to the Michigan Avian Influenza page.