What is avian influenza?
Avian influenza is a viral infection caused by influenza A viruses that can spread easily and quickly among birds. There are several types of avian influenza viruses, and most rarely infect humans. However, some of these viruses, such as H5N1 and H7N9, have caused serious illness in humans.
What is my risk?
The risk for most travelers is low. The risk increases if traveling to a destination that is experiencing an outbreak from a serious influenza strain.