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. 2006 Oct 18;115(2):195–200. doi: 10.1289/ehp.9391

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Progression of cholera over Africa in March–September 2005 and February–March 2006 [A; adapted from WHO (2005) and WHO (2006)] and the dominant wind direction (shown by SLP maps in millibars) over the continent in July 2005 (B) and February 2006 (C).