Distribution of the dhfr position 59 mutation in Africa


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The prevalence of the 59R mutation of the dhfr gene in Africa 

We identified 123 publications describing 258 surveys in 163 unique study sites in 37 African countries. Of the 26,513 isolates tested 59R was detected in 16,609 (63%) in sites all across the continent. 

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 Samples tested

 of which positive


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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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