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Fig. 9 | BMC Infectious Diseases

Fig. 9

From: Increasing incidence of pertussis in Brazil: a retrospective study using surveillance data

Fig. 9

Scatter diagrams showing the correlation between average annual pertussis vaccination coverage (number of children with complete basic scheme in the target age for a particular type of vaccine/number of children in the target age X 100) and average annual pertussis incidence (number of pertussis confirmed [by any criteria] cases/population in each state in a specific year X 100,000 inhabitants) by state in two different periods: 2007–2011 (diphtheria-tetanus- whole pertussis + H. influenzae type B vaccine) and 2012–2014 (diphtheria-tetanus- whole pertussis + H. influenzae type B + hepatitis B vaccine). From 2007 to 2011, R = 0.358; p = 0.067. From 2012 to 2014, R = 0.059; p = 0.769

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