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FIGURE 1—— Vaccination coverage with the fourth dose of diphtheria and tetanus toxoids and pertussis vaccine (DTaP4) by eligibility for vaccination during the shortage and among children vaccinated only at public clinics (a,b), children vaccinated only at private practices (c,d), and children vaccinated at other or a mixture of practice types (e,f).
Note. The graphs in the left column depict age versus the percentage (cumulative) of children receiving DTaP4 by that age, comparing children eligible for vaccination during the shortage (solid lines) versus those not eligible dashed lines). The graphs in the right column represent the differences (solid lines) and their 95% confidence intervals (dashed lines). Statistically significant differences in vaccination coverage between children eligible for DTaP4 vaccination during the shortage and children not eligible for DTaP4 vaccination during the shortage have confidence intervals that do not include 0 (b).
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