Human-to-Human Infection by Bird Flu Virus Is Confirmed - New York Times

Human-to-Human Infection by Bird Flu Virus Is Confirmed - New York Times

This the first documented case in which a human was infected by another human, in this case from a son to his father.  There have been other incidents where health officials suspected transmission of the virus from one human to another but they were unable to prove it.  There is some concern among health officials since human transmission could lead to an epidemic.