Health and agriculture experts have reported that Ohio is leading the nation in cases of the bird flu virus. According to WKYC, the state currently has 50 active cases affecting approximately 10 million birds across 50 flocks over the past month.

The full list of counties with a positive finding of highly pathogenic avian influenza, as of Wednesday, included: The U.S. Centers for Disease Control and Prevention has reported widespread outbreaks of H5 bird flu in poultry and dairy herds across the U.

State officials say the highly pathogenic avian influenza – more commonly known as bird flu – is widespread in much of the state.

The highly contagious bird flu has hit Montgomery County, Maryland, where officials say a backyard flock of chickens tested positive for the virus, making it the first case of a homeowner’s birds having the virus in Maryland this year and bringing the number of cases in the D.

Bird flu has been detected in a backyard chicken flock in Redwood City.  San Mateo County’s Department of Agriculture/Weights and Measures on Tuesday said there are currently no human cases of the flu,

Bird flu has been detected in a backyard poultry flock in San Mateo, local officials said Tuesday. No human cases have been linked to the flock, but the detection highlights the risk of H5N1 to people who live near,