Volume 17, Number 1—January 2011
Research
Endurance, Refuge, and Reemergence of Dengue Virus Type 2, Puerto Rico, 1986–2007
Figure 5

Figure 5. Incidence of dengue virus (DENV) serotypes 2 and 3 in Puerto Rico, 1996–2005. Solid blue line, incidence of DENV-2 within the refuge region; dashed blue line, incidence of DENV-2 in the rest of the island outside the refuge reason; solid black line, incidence of DENV-3 within the DENV-2 refuge region; dashed black line) incidence of DENV-3 in the rest of the island outside the refuge region. Incidence was calculated as number of confirmed, positive cases of each serotype per thousand residents.
1These authors contributed equally to this article.
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