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Theory and Modern Applications

Figure 5 | Advances in Difference Equations

Figure 5

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

Figure 5

Simulations of stochastic model (2) (right) and the corresponding deterministic model (1) (left) when \({\mathcal{R}}_{0}^{s}=0.38<1\), with \(\eta =0.0005\), \(\xi =0.6\), \(\beta =0.01\), \(\sigma =0.12\), \(\alpha =0.3\), \(\gamma =0.02\); \(\tau =2.5\) and white noises \(\nu _{1}=0.2\), \(\nu _{2}=0.2\), \(\nu _{3}=0.1\), \(\nu _{4}=0.2\). The deterministic model shows a periodic outbreak due to the time-delay τ. The infection dies out with time when white noise is large

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