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This is an older article that may not reflect Dr. Mercola’s current view on this topic. Use our search engine to find Dr. Mercola’s latest position on any health topic.
As-yet-unpublished Canadian data raises concerns about whether it's a good idea to get a seasonal flu shot.
A series of studies suggests that people who got a seasonal flu shot last year are about twice as likely to catch swine flu as people who didn't.