Sylvie Guendraogo, a community health worker, on the first day of the second cycle of a nationwide Seasonal Chemo Prophylactic (CPS) campaign to reduce the prevalence of malaria in children under five years of age Burkina Faso is one of the ten countries the most affected by malaria in the world. Malaria is the country's deadliest disease. The CPS campaign is supported by The Global Fund among other partners. Goundri, Ziniaré district, Burkina Faso. 20/08/2019.