Figure 6From: A dynamic model of viruses with the effect of removable media on a computer network with heterogeneous immunityEvolution of i and \(R_{i}\) for: (a) different values of α with \(\epsilon =0.28 \), \(\gamma =0.3\), \(\sigma _{1}=0.1\), \(\sigma _{2}=0.3\), \(\delta =0.2\), \(\beta =0.4\), (b) different values of \(\sigma _{1}\) with \(\epsilon =0.28\), \(\alpha =0.56\), \(\gamma =0.7\), \(\sigma _{2}=0.3\), \(\delta =0.2\), \(\beta =0.4\)Back to article page