Fig. 1
From: Applying fuzzy logic to assess the biogeographical risk of dengue in South America
Study area and distribution data: a the grid of 0.5° latitude × 0.5° longitude squares in which the study area was divided to represent the occurrence data; b occurrence data of vectors and dengue infection cases. The grid layer was created with the tool “Create grid” of the software QGIS (www.qgis.org). The country layer was obtained from https://www.naturalearthdata.com and licensed CC BY. The maps were developed using QGIS in the composer tool. The final composition was created using CorelDRAW X8