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. 2015 Jul 16;9(7):e0003906. doi: 10.1371/journal.pntd.0003906

Fig 4. Age-specific seroprevalence to dengue and chikungunya with 95% confidence lines.

Fig 4

Data was aggregated into 3-year groups. Dengue: Solid blue lines show the fit of the constant (dashed) and time varying model to the data. Chikungunya: Solid line shows the fit of a Loess smoother.