U.N.Coordinator for Avian and Human Influenza David Nabarro says it is not easy for humans to get infected.But, he warns this virus has the capacity to infect and cause disease in humans.

• 联合国研究鸟类和人类流感相关性的大卫.；那拔罗认为人类还是很难感染禽流感，但他同时也警告说这种可能性肯定存在。