“We are concerned that the virus infects a human that already has contracted a strain of normal influenza and this influenza will mix with this avian form. As a result, a new strain could be formed that the human immune system has never seen before and that would ignite a pandemic.”
“We know we're overdue for an influenza pandemic strain, and we know it will occur, but we don't know when or even exactly what virus will cause it. It is possible that the virus won't be H5N1 at all or that this virus will change in a way so that the vaccine under development doesn't work against it.”
“Ninety percent of the cases that we know about in Hong Kong and Hanoi are hospital workers and the remaining cases are people who were in close contact with hospital workers,”
