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Estimating the Duration of Pertussis Immunity Using Epidemiological Signatures

Figure 7

The value of R₀ as the degree of immune-boosting () and the rate of waning immunity () are varied for a fixed value of the mean age at primary infection.

All other parameters are defined in Table 1. The mathematical formula for R₀ is given in Appendix S1.

doi: https://doi.org/10.1371/journal.ppat.1000647.g007