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Fig. 4 | BMC Medicine

Fig. 4

From: Investigating the pertussis resurgence in England and Wales, and options for future control

Fig. 4

Box plots of parameter estimates from the 2000 best fitting aP scenarios to historical notification data between 1956 and 2013 in England and Wales. a Duration of natural immunity; b α2/α1; c duration of wP vaccine protection; d degree of whole cell vaccine protection against infection; e duration of aP vaccine protection; f degree of acellular vaccine protection against infection. Red line for median, blue box for lower and upper quartiles and black bars for minimum and maximum

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