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. 2023 Oct 9;109(5):1063–1071. doi: 10.4269/ajtmh.23-0303

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Figure 3. — Annual malaria incidence (AMI), the annual number of residents protected by drugs (RPD), and the annual number of residents protected by vector control (RPV) on Hainan Island, 1986–2009. The left Y-axis represents the RPD or RPV, and the right Y-axis represents the AMI. The RPD value includes protection through mass drug administration (MDA), targeted drug administration (TDA), and preventive chemotherapy (PC). The RPV value includes those protected by indoor residual spraying (IRS), insecticide treated nets (ITNs), and long-lasting insecticide nets (LLINs).