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Consequences of the Expanding Global Distribution of Aedes albopictus for Dengue Virus Transmission

Figure 2

Relationship between RD and virus isolation year among published experiments comparing DENV midgut infection in Ae. albopictus and Ae. aegypti.

Each point represents a single experiment. Different symbols indicate a different mosquito colonization history (i.e., number of generations spent in the laboratory before vector competence was assessed). Filled circles represent mosquitoes held ≤5 generations in the laboratory; open squares correspond to mosquitoes colonized for >5 generations. The solid line shows the linear regression (R2 = 0.162, P = 0.007). Negative RD values represent a reduced rate whereas positive values represent a greater rate for Ae. albopictus compared to Ae. aegypti.

Figure 2