Fig. 1
From: Development of a data collection and management system in West Africa: challenges and sustainability
Organization of the Longitudinal Cohort Study. With four study sites in three countries, this longitudinal study examined the prevalence of P. falciparum infection by Active Case Detection (biannual thick smears, ACD) and the incidence of disease by Passive Case Detection (PCD). Information from household surveys and data from ACD and PCD were recorded on Case Report Forms (CRFs) and entered in a computerized database using the StudyTRAX software. GIS: Geographic information system; ICEMR: International Center of Excellence for Malaria Research; LLIN: Long-lasting insecticidal net; RDT: Rapid diagnostic test