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Map of South America showing the malaria-endemic areas with different shadding pattern according to transmission levels in 2008. Source of data: Pan American Health Organization, 2009. Report on the Situation of Malaria in the Americas, 2008. Washington, DC. Available at: http://new.paho.org/hq/index.php?option=com_content&task=view&id=2459&Itemid=2049
