Incidence of malaria by age group during the post intervention, high malaria transmission season (July – November 2009).

†Age at the beginning of the intervention in August 2008.$Malaria episode was defined as fever or history of fever with 5000 or more asexual forms of P. falciparum per µL and absence of any other obvious cause of fever/illness.*Adjusted for age sex, village and lack of independence among repeated episodes in the same child.