FIGURE 3-2. The impact of age at vaccination and vaccine efficacy on the critical level of cohort vaccination required to block transmission.

FIGURE 3-2The impact of age at vaccination and vaccine efficacy on the critical level of cohort vaccination required to block transmission

NOTE: Vaccine efficacy changes with age due to presence of maternal antibodies.

From: 3, Biological Challenges to Post-Eradication

Cover of Considerations for Viral Disease Eradication
Considerations for Viral Disease Eradication: Lessons Learned and Future Strategies: Workshop Summary.
Institute of Medicine (US) Forum on Emerging Infections; Knobler S, Lederberg J, Pray LA, editors.
Washington (DC): National Academies Press (US); 2002.
Copyright © 2002, National Academy of Sciences.

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