Fig. 1From: Clustering of malaria in households in the Greater Mekong Subregion: operational implications for reactive case detectionNumber of households included, dropped-out and were newly added to the dynamic cohort. The total number of households was 1929 of which 176 households had data only for M0 or had no valid qPCR result. The remaining 1753 households had data available for M3, M6, M9 or M12Back to article page