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Fig. 4 | BMC Infectious Diseases

Fig. 4

From: Characterization of outbreak response strategies and potential vaccine stockpile needs for the polio endgame

Fig. 4

Example of outbreak response supplemental immunization activity (oSIA) choices to a serotype 2 circulating vaccine-derived poliovirus (cVDPV2) outbreak that occurs after serotype 2 oral poliovirus vaccine (OPV) cessation without prior triavelent OPV (tOPV) intensification, using serotype 2 monovalent OPV (mOPV2), tOPV, or inactivated poliovirus vaccine (IPV). a Incidence of paralytic poliomyelitis cases (in the block of the cVDPV2 outbreak). b Population immunity to transmission for all 3 serotypes, expressed as the mixing-adjusted immune proportion (EIPM) in the subpopulation of the cVDPV2 outbreak

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