A commercial poultry flock in a bordering Ohio county is also struck by avian influenza, bringing the statewide total to 60 flocks in 2025.

According to the Ohio Department of Health, the man came in contact with infected 'deceased commercial poultry.' His condition is not known at this time.

Ohio reports its first probable human case of bird flu in a male from Mercer County exposed at a poultry farm.

(COLUMBUS, Ohio)—The Ohio Department of Health is reporting the state’s first probable human case of influenza A (H5), also known as Highly Pathogenic Avian Influenza (HPAI), or bird flu. An adult male Mercer County farm worker who was in contact with deceased commercial poultry was infected with the virus.

The first case of bird flu in a human in Ohio has been reported, according to officials. A farm worker from Mercer County, Ohio, located on the state's western border along Indiana, came into contact with deceased poultry that was infected with the virus,

Ohio's first human bird flu case was reported in Mercer County yesterday. Learn about testing for the virus, symptoms and the Ohio egg farming industry.

A Mercer County farm worker came into contact with dead poultry that was infected with the disease, the state's health department reports.