<qa>  How many people live in Pumbu?The study will take place in the Lisungi Health centre, Pumbu. Pumbu is a health area of about 14 000 inhabitants, belonging to the municipality of peri-urban Mont Ngafula 1, at the southern side of Kinshasa. The Lisungi health centre is the only public health facility in the health area, with on average 250 consultationsweek. About 70 of attending patients have fever as reason for consultation. 