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Climate and ENSO Associations with Malaria Incidence in ColombiaBack to example Figure 1. Evolution of the Annual Parasite Index (API) in Colombia. The API is defined as the ratio between the number of cases reported and the population at risk per 1,000 inhabitants, computed as the total of cases of malaria by Plasmodium vivax (represented by the A.V.I. index) and Plasmodium falciparum (A.F.I. index). Data reported by the Colombian Ministry of Health. From Poveda et al. (2000). Reproduced with the permission of Cambridge University Press.
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