Fig. 4From: Ecological niche modeling to determine potential niche of Vaccinia virus: a case only studyAvailable values are plotted to demonstrate the key environmental parameters and the ecological niche occupied by VACV, according to MaxENT predictions (black), 87 Brazilian outbreaks (red), and background (grey). On the Y-axis is the number of pixels for each variable and the X-Axis, the bioclim variable indicatedBack to article page