Table 1. Description of maps utilized within the exploratory data analysis of clusters.

Variable	Global Range	Description	Source
Environmental Suitability	0–1	Environmental suitability for Zika virus with higher values indicating more suitable	Messina, Kraemer [17]
Temperature	-66–29°C	Mean temperature of coldest quarter	Fick and Hijmans [19]
Human Population Density	0–103341 ppl / km2	Estimated total number of people per cell	Doxsey-Whitfield, MacManus [20]
Socioeconomic Status	0–1020	Purchasing power parity	Nordhaus and Chen [21]