Concern surrounding the highly pathogenic avian influenza H5N1 influenza virus currently circulating in dairy cows in the United States is growing. A total of 58 human cases have been reported as ...

Highly pathogenic avian influenza A(H5N1) viruses have caused widespread infections in dairy cows and poultry in the United States, with sporadic human cases. We describe characteristics of human ...

Avian (bird) influenza viruses-;like H5N1-;have not infected people often because the human upper respiratory tract lacks the avian-type cell receptors found in birds. Scientists are concerned ...