Fig 1.
The relationship diagram between different compartments in the infectious disease model.
Fig 2.
The trend of infected persons in stochastic model (2) with white noise and Lévy noise.
Fig 3.
The trend of infected persons in stochastic model (2) with different secondary vaccination rate ρ2, where ρ2 = 0.65, 0.83, 0.96, respectively.
Fig 4.
The trend of infected persons in stochastic model (2) with vaccination rate ρ1 and ρ2, where (1)ρ1 = 0.32, ρ2 = 0.42, (2)ρ1 = 0.92, ρ2 = 0.42, (3) ρ1 = 0.32, ρ2 = 0.96, (4)ρ1 = 0.92, ρ2 = 0.96.
Fig 5.
The trend of infected persons in stochastic model (2) with different white noise intensity σ5, where σ5 = 0.11, 0.37, 0.62, respectively and σ6 = 0.62.
Fig 6.
The trend of infected persons in stochastic model (2) with different white noise intensity σ6, where σ6 = 0.05, 0.35, 0.65, respectively and σ5 = 0.65.
Fig 7.
The trend of infected persons in stochastic model (2) with different diffusion coefficient D5, where D5 = 0.32, 0.36, 0.39, respectively and D6 = 0.45.
Fig 8.
The trend of infected persons in stochastic model (2) with different diffusion coefficient D6, where D6 = 0.35, 0.38, 0.41, respectively and D5 = 0.56.