Amid predictions of a new H1N1 swine flu outbreak, health officials warn that children going back to school are especially at risk. Gwen Ifill talks to Dr. Anne Schuchat, the director of the National Center for Immunization and Respiratory Diseases…

Apr 27

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The World Health Organization Monday raised its global alert level for the swine flu virus outbreak from a phase three to a phase four, verifying that the virus is spreading from human to human in community-level outbreaks.

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