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Fig. 6 | BMC Infectious Diseases

Fig. 6

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

Fig. 6

Two examples of model behavior with assumed unlimited vs. finite monovalent oral poliovirus vaccine (OPV) stockpile for the base case outbreak response strategy and the global policy of at least 5 years of inactivated poliovirus vaccine in all populations for 5 years after oral poliovirus vaccine (OPV) cessation of the last serotype. a Outbreak following a serotype 1 immunodeficiency-associated vaccine-derived poliovirus (iVDPV1) introduction in a block with a basic reproduction number (R0) of 11, with stock-out resulting in a second outbreak wave but ultimate outbreak control. b Outbreak following an iVDPV1 introduction in a block with an R0 of 12, with stock-out resulting in a failure to control the outbreak and an eventual OPV restart (note change in y-axis scale)

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