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Fig. 3 | Malaria Journal

Fig. 3

From: Enhanced surveillance and data feedback loop associated with improved malaria data in Lusaka, Zambia

Fig. 3

Comparison of total malaria cases reported through standard HMIS versus data collected through monthly supervision and review of clinic registers during the enhanced surveillance system (ES). Graph includes data from before and after the implementation of monthly enhanced surveillance system visits in 2011. Prior to the start of enhanced surveillance system, HMIS, and enhanced surveillance data were only moderately correlated compared to after, where correlation increased significantly

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