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poliovirus vaccine inactivated(IPV)
a preparation of killed polioviruses of three types, given in a series of intramuscular or subcutaneous injections to immunize against poliomyelitis. It does not induce intestinal immunity and so is not effective for poliovirus eradication in areas where wild-type polioviruses
still exist in large numbers. However, it does not cause vaccine-associated paralytic poliomyelitis and so is preferred for
routine immunization in areas where the risk of infection by a wild-type poliovirus is very low, as in the United States.
Called also Salk vaccine.

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