The head of the U.S. Centers for Disease Control and Prevention has said an influenza pandemic that could kill millions is certain and may be imminent.
However U.S. Health and Human Services Secretary Michael Leavitt, while urging preparations for a possible outbreak, said the risk was relatively low and a pandemic probably would not happen.
"The probability that we'll have a pandemic flu is unknown," Leavitt said at a Washington health technology conference. "I will tell you from all I hear from scientists and physicians it is relatively low, but it is not zero."
His last gig wasn't generating reports on WMD in Iraq was it?