Bird flu warning over new virus risk: "significant public health concern" Public health officials have warned that new mutations of bird flu with human flu could have dangerous consequences. Newsweek

Combined infection with bird flu and human flu could lead to mutations of new viruses that could have dangerous public health consequences, agencies have warned.

This is following the news that mutations of bird flu have occurred within a Louisiana patient and a teenager from Canada who both suffered with severe symptoms, potentially raising the risk of serious human infection among others.