Abstract
A stochastic SIR epidemic dynamic model with distributed-time-delay, for a two-scale dynamic population is derived. The distributed time delay is the varying naturally acquired immunity period of the removal class of individuals who have recovered from the infection, and have acquired natural immunity to the disease. We investigate the stochastic asymptotic stability of the disease free equilibrium of the epidemic dynamic model, and verify the impact on the eradication of the disease.
| Original language | American English |
|---|---|
| Journal | Journal of Applied Mathematics and Physics |
| Volume | 5 |
| DOIs | |
| State | Published - May 27 2017 |
Disciplines
- Mathematics
Keywords
- Disease-Free Steady State
- Lyapunov Functional Technique
- Positively Self Invariant Set
- Stochastic Asymptotic Stability
- Threshold Value
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