Predicting the path of a swine flu outbreak is next to impossible, public health officials say. But Dr. Ira Longini has spent more than three decades trying to do just that.
And Longini says the apparent new strain of swine flu appears to be here to stay. "We are probably going to have to live with this virus for some time," he told CNN.
Longini specializes in the mathematical and statistical theory of epidemics. He works at the Vaccine and Infectious Disease Institute at the Hutchinson Research Center in Seattle, Washington.
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