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Fig. 1 | Malaria Journal

Fig. 1

From: Falciparum malaria from coastal Tanzania and Zanzibar remains highly connected despite effective control efforts on the archipelago

Fig. 1

Ancestry of P. falciparum in Zanzibar and mainland Tanzania. a Location for samples used in this study, coloured by population: orange, mainland Tanzania; purple, Zanzibar; dark grey, published mainland Tanzania isolates from the MalariaGEN P. falciparum Community Project. Other major regional cities show with open circles. b Major axes of genetic differentiation between global P. falciparum populations demonstrated by principal components analysis (PCA) on genotypes at 7122 SNVs with PLMAF > 5%. Each point represents a single isolate (n = 304) projected onto the top two principal components (71% cumulative variance explained); colour-shape combinations indicate country of origin. ce Population relationships assessed by f3 statistics with focal population indicated at the top of each panel, comparator populations on the vertical axis, and Congolese population as an outgroup. Error bars show 3 times the standard error computed by block-jackknife

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