Scientists believe the swine flu vaccine will be most effective if given in two doses, about three weeks apart, although testing is still under way to check that. Scientists are just beginning to test the safety and effectiveness of the new swine flu vaccine, work that is expected to take months. |
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Sheila Samples is an Oklahoma writer and a former civilian US Army Public Information Officer. She is a Managing Editor for OpEd News, and a regular contributor for a variety of Internet sites.