Norfolk now has eight of the 11 recently confirmed cases of bird flu in England. The Department for Environment, Food and Rural Affairs (Defra) said the highly pathogenic avian influenza H5N1 virus was detected at a farm near Attleborough, and at a premises near Watton.

Concerns have been raised over a potential second case of bird flu in Norfolk, less than a week after the disease was first confirmed nearby. The government's Animal and Plant Health Agency received reports that highly pathogenic avian influenza may have been found at a site near Watton on Monday.

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.’

Los Angeles County health officials have identified three more cats with presumptive H5N1; the source of the virus has not yet determined, but experts suspect raw meat.

A person in Louisiana has the first severe illness caused by bird flu in the U.S., health officials said Wednesday

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