Fig. 1From: The origins of dengue and chikungunya viruses in Ecuador following increased migration from Venezuela and ColombiaStudy site location of A. Machala, Ecuador, showing locations of sequenced cases of DENV1 and DENV2, and the two introductions of Chikungunya (CHIKV-i-I, CHIKV-i-II); clinics are shown by ‘H’, with the central hospital on the same site as the central clinic location; and B. Machala (black arrow) on the coast of Ecuador, on the western coast of South AmericaBack to article page