Though rare, instances of limited human-to-human transmission of H5N1 and other avian influenza viruses have occurred in association with outbreaks in poultry and should not be a cause for alarm.

虽然数量很少，H5N1和其它禽流感病毒在人与人之间的有限传播事例毕竟伴随家禽疫情发生了，但这无须惊慌。