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Theory and Modern Applications

Figure 7 | Advances in Difference Equations

Figure 7

From: Stochastic SIRC epidemic model with time-delay for COVID-19

Figure 7

Time response of solutions for model (2) (right) and corresponding deterministic model (1) (left), when \({\mathcal{R}}_{0}=1.78>1\), the infection persists in the deterministic model; when \({\mathcal{R}}_{0}^{s}=0.75<1\), the infection dies out in the stochastic model. With parameter values \(\eta =0.02\), \(\xi =0.5\), \(\beta =0.1\), \(\sigma =0.2\), \(\alpha =0.26\), \(\gamma =1\) and white noises \(\nu _{1}=0.13\), \(\nu _{2}=0.54\), \(\nu _{3}=0.26\), \(\nu _{4}=0.75\)

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