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Two doses of inactivated polio vaccine (IPV) are 90% effective or more against polio; three doses are 99% to 100% effective. https://www.cdc.gov/vaccines/vpd/p
by edmcnulty101 5y ago
Two doses of inactivated polio vaccine (IPV) are 90% effective or more against polio; three doses are 99% to 100% effective.
https://www.cdc.gov/vaccines/vpd/polio/hcp/effectiveness-duration-protection.html https://www.cdc.gov/vaccines/vpd/polio/hcp/effectiveness-dur...