Volume 3, Number 2—June 1997
Dispatch
Pertussis in the Netherlands: an Outbreak Despite High Levels of Immunization with Whole-Cell Vaccine
Figure 3

Figure 3. Estimated incidence of pertussis for unvaccinated and vaccinated children aged 1-4 years and 5-9 years based on notification records and assuming a coverage of 96% for the entire population.
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