Abstract and Applied Analysis
- Abstr. Appl. Anal.
- Volume 2018 (2018), Article ID 8479638, 21 pages.
Global Dynamics of an SVEIR Model with Age-Dependent Vaccination, Infection, and Latency
Vaccine-induced protection is substantial to control, prevent, and reduce the spread of infectious diseases and to get rid of infectious diseases. In this paper, we propose an SVEIR epidemic model with age-dependent vaccination, latency, and infection. The model also considers that the waning vaccine-induced immunity depends on vaccination age and the vaccinated individuals fall back to the susceptible class after losing immunity. The model is a coupled system of (hyperbolic) partial differential equations with ordinary differential equations. The global dynamics of the model is established through construction of appropriate Lyapunov functionals and application of Lasalle’s invariance principle. As a result, the global stability of the infection-free equilibrium and endemic equilibrium is obtained and is fully determined by the basic reproduction number .
Abstr. Appl. Anal., Volume 2018 (2018), Article ID 8479638, 21 pages.
Received: 9 April 2018
Revised: 26 June 2018
Accepted: 18 July 2018
First available in Project Euclid: 19 September 2018
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M’pika Massoukou, Rodrigue Yves; Oukouomi Noutchie, Suares Clovis; Guiem, Richard. Global Dynamics of an SVEIR Model with Age-Dependent Vaccination, Infection, and Latency. Abstr. Appl. Anal. 2018 (2018), Article ID 8479638, 21 pages. doi:10.1155/2018/8479638. https://projecteuclid.org/euclid.aaa/1537322517