U.S. and China report 3 more human cases of bird flu, UN calls for urgent action

Survivability of Highly Pathogenic Avian Influenza H5N1 Virus in Poultry Faeces at Different Temperatures

Gripe aviar antartida

Bird flu spread to cows takes 'dangerous' step towards infecting humans through respiration, scientists warn

Finland to start bird flu vaccinations for humans, in world first

H5N1 Is Increasingly Adapting to Mammals