Figure 3From: Optimal control of Zika virus infection by vector elimination, vector-to-human and human-to-human contact reduction Level of the optimal controls. Level of the optimal controls of (a) scenario with two controls \((u_{1},u_{2})\), (b) scenario with two controls \((u_{1},u_{3})\), and (c) scenario with three controls \((u_{1},u_{2},u_{3})\).Back to article page