Polio Articles A-Z
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Oral polio vaccine (OPV) uses live but weakened poliovirus to prevent polio. This selection from the eMedTV archives offers an in-depth look at OPV, including information on its history, safety, effectiveness, and alternatives.
Oral polio vaccine (which contains live but weakened poliovirus) helped rid the United States of polio. As this eMedTV article explains, however, its use in the United States has been discontinued. This page discusses the oral polio vaccine.
Polio is a contagious illness that used to be very common in the United States. This selection from the eMedTV Web site provides an overview of polio, including its transmission, treatment, prevention, and history.


