Figure 2From: Loa loa encephalopathy temporally related to ivermectin administration reported from onchocerciasis mass treatment programs from 1989 to 2001: implications for the futurePLERM cases reported from onchocerciasis mass treatment programs from 1989 to 2001* *cases reported as of August 31, 2002; all cases were reported from southern Cameroon other than 1 from the Central African Republic in 1997 and 1 from southern Sudan in 2001Back to article page