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Polio vaccines show lasting impact in the United States
A reader asks about lifelong immunity from polio vaccines. The column notes polio was eliminated in the US with vaccines, last native case in 1979, a few overseas and infant infections in 2005. It explains oral live and injectable inactivated vaccines, ongoing debate on lifelong immunity, and travel vaccine guidance.
MENTIONED IN THIS ARTICLE
Department of Travel Medicine
Centers For Disease Control and Prevention
Cdc.gov
DR. Donohue