Swine flu in pigs is caused by type A influenza. Prevent transmission of the flu with simple precautions.
What You Need to Know
Getting The Facts Straight On Swine Flu (H1N1 Virus)
While you may have been inundated with news about H1N1 virus, you may not have gotten all the right information. Here are the important facts you need to know about swine flu this season.
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From Our Experts
Winter Flu Season 2009-10: A New Approach for a New Flu Virus
This year, the American public faces a flu vaccine campaign that is more sophisticated than ever before. Here's what you need to know about the swine flu vaccine.