Fig. 1: Flow chart of the study protocol for this polio booster immunization clinical trial. | npj Vaccines

Fig. 1: Flow chart of the study protocol for this polio booster immunization clinical trial.

From: Evaluation of the immunization effectiveness of bOPV booster immunization and IPV revaccination

Fig. 1: Flow chart of the study protocol for this polio booster immunization clinical trial.The alternative text for this image may have been generated using AI.

IPV inactivated poliovirus vaccine, bOPV bivalent oral poliovirus vaccine. Blue box: immunopersistence study, which is not within the scope of the present analysis; red boxes: descriptions of the situations of those who did not participate in this booster immunization clinical trial.

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