The CDC has declared the first “severe” case of H5N1 bird flu in the U.S., according to a press release published Wednesday. The good news? The person who contracted the virus appears to have gotten it from backyard poultry,

Among 61 people infected with bird flu in the U.S. this year, a Louisiana patient is the first to have "severe" disease

The CDC said the case does not change its overall assessment that the immediate risk to the public’s health from bird flu remains ‘low.’

The Wisconsin Department of Health Services​ announced Wednesday that it had detected presumptive positive human case of H5N1 in Barron County.

Bird flu virus has swept through farms across the nation’s largest dairy producing state. All human cases had been mild - until now.