According to the WHO report, 1,819 cases of tertian malaria were reported in North Korea in 2020, indicating a decrease of 91.7% from the 21,850 cases in 2012; however, 2,357 cases were reported in 2021, showing an increasing trend [ 2 ].
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The sentences
Recently, a decreasing trend has been noted in this regard in the ROK, with 485 cases reported in 2019, 356 in 2020, and 272 in 2021 [ 3 ].