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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: J Math Anal Appl. 2016 Apr 19;442(1):171–188. doi: 10.1016/j.jmaa.2016.04.039

Figure 2.

Figure 2

Numerical solution of system (2.1) with initial condition (S(0), I1(0), I2(0), I12(0)) = (0.3, 0.4, 0.2, 0.1). Red dotted line-I1, black dashed line-I2 and solid blue line-I12. Two infections cannot coexist even if each one can survive independently.