Figure 4

Historical epidemiological time series. Total positive cases of P. falciparum and P. vivax malaria recorded in Nuqui (A) and El Bagre (B) during the periods from January 1994 to June 2005 (monthly timescale) and from January 1990 to December 2004 (1^st EP 1990-13^th EP 2004), respectively. The Antioquia Health Service and the National Institute of Health provided malaria data for El Bagre, for the periods 1^st EP 1990-13^th EP 2000 and 1^st EP 2000-13^th EP 2004, respectively. In this area, missing data span the period from September 8^th, 1997 to December 28^th,1997 (10^th EP 1997-13^th EP 1997).