Distribution of the dhps position 540 mutation in Africa


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The prevalence of the 540E mutation of the dhps gene in Africa 

We identified 173 publications describing 463 surveys of 540E in 273 unique study sites in 40 African countries. Of the total 53,402 samples tested 23945were positive for 540E. 

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 Samples tested

 of which positive


Sites studied are shown as markers on the map beneath. Use the controls on the left of the map to pan, zoom and centre. Click on a marker to view study details and links to journals.

Map key: percentage of data set found to exhibit mutation

You can view more detailed information on this study at the foot of this page.

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