Which vaccine is administered to prevent polio

Larger text size Large text size Regular text size. What Is Polio? The vaccine offers protection against polio, which can cause paralysis and death. The IPV vaccine contains a killed inactivated virus, so it cannot cause polio.

When Should I Call the Doctor? Call the doctor if: You aren't sure whether the vaccine should be postponed or avoided. Only trivalent doses count as valid for the U. Trivalent OPV was used throughout the world before April Doses recorded as bOPV or mOPV, or doses noted on an immunization record as given during a vaccination campaign, do not count as valid doses for the U. If the dose was administered on or after April 1, , it should not be counted as a valid dose for the U.

People younger than age 18 years with doses of OPV that do not count towards the U. See www. We occasionally encounter older teen-agers who received 4 doses of IPV before their fourth birthday. Should we recommend a 5th dose of IPV for these children? Generally, no. ACIP revised its recommendation for IPV in June to include a dose at 4 through 6 years regardless of the number of doses prior to age 4 years. However, ACIP did not recommend applying the new minimum age rule for the fourth dose to children who had already completed four doses under the schedule that had been acceptable before the new recommendation was published.

A teen who received his fourth IPV dose prior to August 7, , is considered sufficiently vaccinated if he received four doses separated by at least 4 weeks, unless the teenager is traveling to a polio-endemic area.

If an immigrant infant has a record of 1 or 2 doses of OPV in their country of origin how many more doses of IPV should be given? See the prior question for details on assessment of OPV doses by the date of administration.

If both tOPV and IPV were or will be administered as part of a series, the total number of doses needed to complete the series is the same as that recommended for the U. IPV schedule. If the child is younger than 4 years of age a total of 4 doses of polio vaccine are recommended. If the child is currently 4 years of age or older, a total of 3 doses completes the series.

A minimum interval of 4 weeks should separate doses in the series, with the final dose administered on or after the fourth birthday and at least 6 months after the previous dose.

If only tOPV was administered, and all doses were given before 4 years of age, 1 dose of IPV should be given at 4 years of age or older, at least 6 months after the last tOPV dose. Our year-old patient has been accepted to a physician assistant program that requires polio vaccine for all students.

She has 2 documented doses of oral polio vaccine OPV as a child, then recently had a dose of inactivated polio vaccine IPV. How many more doses of IPV does she need to complete the series and on what schedule? However, in this case the person is required to have evidence of vaccination for a medical training program. People who receive a mixed series of OPV and IPV should receive a total of either 3 or 4 doses depending on the age at the time of the last dose.

In this case the recent dose of IPV can be counted as the third and final dose in the series. The minimum interval between the next-to-last and last doses in the polio vaccination series is 6 months and the last dose should be at age 4 years or older.

What is the risk of serious reactions following IPV? There are no severe reactions known to occur following IPV. Back to top This page was updated on October 22, This page was reviewed on August 31, Immunization Action Coalition. Sign up for email newsletter. ACIP Recommendations. Package Inserts. Additional Immunization Resources. Adult Vaccination. Screening Checklists. Ask the Experts. Shop IAC. CDC Schedules. Standing Orders for Vaccination.

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IPV is one of the safest vaccines in use. No serious systemic adverse reactions have been shown to follow vaccination. An increasing number of industrialized, polio-free countries are using IPV as the vaccine of choice.

This is because the risk of paralytic polio associated with continued routine use of OPV is deemed greater than the risk of imported wild virus. However, as IPV does not stop transmission of the virus, OPV is used wherever a polio outbreak needs to be contained, even in countries which rely exclusively on IPV for their routine immunization programme.

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