Figure 2

Estimated relative Plasmodium falciparum/Plasmodium vivax flows originating from the Great Mekong subregion overlaid on Plasmodium falciparum/Plasmodium vivax prevalence maps. A) P. falciparum flows originating from the Great Mekong subregion. B) P. vivax flows originating from the Great Mekong subregion. The flows include estimated passenger numbers, including direct, one-transfer and two-transfer flight routes. The inset maps show close-up views for airports in the Greater Mekong subregion.