Testing results from patients indicate that two strains of seasonal flu that are causing most illnesses -- a Type A H1N1 and ...

A dairy worker in Nevada has reportedly been infected by the killer variant of H5N1 bird flu; analysis shows changes in new ...

In a breakthrough for influenza research, scientists have discovered immune cells that can recognize influenza (flu) viruses ...

Experts said it raises new questions about wider spread and the difficulty of controlling infections in animals and the ...