Dozens of cats across the U.S. have tested positive for avian flu, federal officials say. The west coast has been hit especially hard.

Bird flu suspected in Sandusky County. Dead geese and swans being tested by Ohio Department of Natural Resources.

As more cases of bird flu are reported across species and locations, states across the country are taking precautionary measures to prevent the spread of the virus. Hundreds of thousands of people will gather at the Pennsylvania Farm Show beginning later this week — a potential breeding ground for virus transmission,

Avian bird flu spreading throughout NEPA