distribution of municipalities in Colombia by malaria risk, 2002 and 2008: note that the group of municipalities with 1–10 cases increased from 45–59% between 2002–2008, as did the total number of municipalities. Regarding the percentage of total country cases, the groups of > 1,000 cases accounted for 87% in 2002 and 62.8% in 2008, showing a wider distribution of malaria burden throughout different groups of municipalities.