According to the Akron Zoo, the birds are being moved indoors as a precaution and all of them "remain healthy."

Bird flu has been detected in another commercial flock in western Ohio. The USDA confirmed that 1.4 million egg-laying chickens in Mercer County are affected by the virus. This comes weeks after avian influenza was detected in a large flock in nearby Darke County.

Ohio leads the nation in recent bird flu cases among commercial poultry operations, with more than 4.1 million chickens and turkeys affected so far this year.

Egg prices continue to rise as the USDA projects a 20% increase this year due to ongoing bird flu cases affecting farms nationwide.

As bird flu cases continue to rise in the U.S., heavily impacting egg-laying flocks, so have the prices on cartons of fresh eggs due to dwindling supply. The U.S. Department of Agriculture has predicted egg prices could rise up to 20% this year due to egg shortages resulting from the outbreak of highly pathogenic avian influenza,

While U.S. residents have gotten used to high prices at the grocery store, the cost of eggs is expected to rise even further this year.

Egg prices coming down ultimately depends on whether the industry can successfully stop the spread of bird flu and ramp up production to replace the chickens that have died, according to an economist with the Texas A&M AgriLife Extension Service.