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    Swine Flu Vaccine: When?

    Swine Flu Vaccine Timeline: Key Decisions, Key Milestones
    WebMD Health News
    Reviewed by Louise Chang, MD

    July 20, 2009 -- Pandemic swine flu doesn't worry most Americans. That's likely to change very quickly.

    Well before fall 2009, most U.S. schools will open. That's when experts warn the second wave of the pandemic may start sweeping the U.S. If that happens, the U.S. -- as well as the rest of the world -- needs to be prepared for the worst. A pandemic that sickens millions could close schools and businesses, halt travel, and overwhelm health care facilities.

    Swine Flu Outbreak: Get the Facts

    Swine Flu Slideshow

    Learn more about the H1N1 swine flu and see what you can do to stay healthy.

    View the slideshow.

    "A pandemic is much more than a health event," Bruce Gellin, MD, MPH, director of the National Vaccine Program Office and deputy assistant secretary of the Health and Human Services Department (HHS) to coordinate U.S. vaccination efforts, tells WebMD. "Given the way a pandemic could play out, it has consequences across government and across society."

    The best defense: A vaccine to protect people from swine flu -- before the pandemic peaks. Will there be a vaccine? Perhaps not that soon. And the clock is ticking away the short amount of time before federal officials, including President Barack Obama, have to make hard choices about whether -- and how fast -- to get swine flu shots to everyone who wants one. Or at least to those who most need one.

    One choice already is made: The U.S. government has spent $1.15 billion to buy enough vaccine to immunize the entire U.S. population against the new flu. If the government makes the decision to go ahead with a full-scale vaccination program, it would be the largest, fastest vaccination program in world history.

    So what will happen, and when? Here's WebMD's timeline, based on meetings and interviews with a number of flu experts. Warning: Flu viruses -- and flu vaccine production -- are notoriously unpredictable. Many things can change, even by the earliest points of this timeline.


    Making and Testing the Swine Flu Vaccine

    Pandemic swine flu vaccine is already rolling off the production lines of the five different vaccine makers supplying the U.S: 46% will come from Novartis, 26% will come from Sanofi Pasteur, 19% will come from CSL, 6% will come from MedImmune, and 3% will come from GlaxoSmithKline.

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