![Immuno-persistence of the different primary polio vaccine schedules and immunogenicity of the booster dose by sabin inactivated or bivalent oral poliovirus vaccine in children aged 4 years: an open-label, randomised, controlled phase Immuno-persistence of the different primary polio vaccine schedules and immunogenicity of the booster dose by sabin inactivated or bivalent oral poliovirus vaccine in children aged 4 years: an open-label, randomised, controlled phase](https://www.thelancet.com/cms/attachment/bb9e3185-06a1-4ab1-87fc-e33cd8e08a11/gr1.jpg)
Immuno-persistence of the different primary polio vaccine schedules and immunogenicity of the booster dose by sabin inactivated or bivalent oral poliovirus vaccine in children aged 4 years: an open-label, randomised, controlled phase
VUCA Health - In the United States, inactivated polio vaccine (IPV) is recommended. We are no longer using oral polio vaccine (OPV). Reasons for not using OPV are related to the paralytic
![What U.S. Adults Know and Believe About Polio and the Bivalent Covid Booster | The Annenberg Public Policy Center of the University of Pennsylvania What U.S. Adults Know and Believe About Polio and the Bivalent Covid Booster | The Annenberg Public Policy Center of the University of Pennsylvania](https://cdn.annenbergpublicpolicycenter.org/wp-content/uploads/2022/11/Polio-Knowledge_Fig1_ASK_W9.jpeg)