Fig. 6From: Spatial distribution of Plasmodium knowlesi cases and their vectors in Johor, Malaysia: in light of human malaria eliminationa Interpolated distribution of P. knowlesi cases in Johor using kriging interpolation method illustrating zonation of high and low area. b–d P. knowlesi cases overlaid with environmental factors. b P. knowlesi casesoverlaid with elevation; from high elevation (black) area to low elevation area (grey). c P. knowlesi cases overlaid with tree cover and; d tree loss from year 2011–2019Back to article page