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There are two types of vaccine that can prevent polio: inactivated polio vaccine (IPV) and oral polio vaccine (OPV). Only IPV has been used in the United States since 2000; however OPV is still used throughout much of the world. IPV is a shot, given in the leg or arm, depending on age. Polio vaccine may be given at the same time as other vaccines.
What is post-polio syndrome? Post-polio syndrome (PPS) is a condition that can strike polio survivors anywhere from 10 to 40 years after recovery from an initial attack of the poliomyelitis virus. PPS is characterized by a further weakening of muscles that were previously injured by polio infection.