With summer coming to a close, the United States is preparing for autumn's flu season. The Department of Health and Human Services said only 45 million doses of the vaccine against H1N1 (or "swine flu") will be ready in October, rather than the 120 million doses they had expected. While pregnant women and health care workers will be the first to get the two-dose vaccine, school-age children and teens are next in line. So who better to deliver those H1N1 vaccines than the schools themselves? In what could be the largest campaign since the polio vaccine in the 1950's, schools across the country are preparing to inoculate their students. Joining us for a look at the supply of and demands for the H1N1 vaccine ? and how it will be administered ? is Dr. Maria Simbra. She's the medical reporter for KDKA TV in Pittsburgh.

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