Figure 2
The age-sepcific estimated incidence rates of B.pertussis infection per 100,000 in the year before serum sampling based on the cut-off 30IU/mL.
Figure 2 | BMC Infectious Diseases
The age-sepcific estimated incidence rates of B.pertussis infection per 100,000 in the year before serum sampling based on the cut-off 30IU/mL.