Field observations from West Africa and Ethiopia have indeed established a strong correlation between absence or low endemicity of P. vivax malaria and the high prevalence of the Duffy negative allele [20, 21]. (malariajournal.biomedcentral.com)
«Given the wide variation in the transmission of the disease — endemic areas, areas of low endemicity, hyperendemic areas, and sometimes these strata all occurring in the same country — we prefer to look at each country separately without aggregates over the entire continent,» Buj says. (discovermagazine.com)
Second, the proposed future effects of rising temperatures on endemicity are at least one order of magnitude smaller than changes observed since about 1900 and up to two orders of magnitude smaller than those that can be achieved by the effective scale - up of key control measures. (dotearth.blogs.nytimes.com)