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A General Model of Zoonosis Where the Diseases Can Only Be Transmitted from Animals to Humans

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DOI: 10.4236/apm.2019.92005    147 Downloads   269 Views
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ABSTRACT

Zoonosis is an important factor affecting human economic development and population mortality. This paper introduces a general model of zoonosis, in which the diseases can only be transmitted from animals to humans, such as rabies, brucellosis and so on. The basic reproduction number R0 is derived. And then the global stability of the disease-free equilibrium and endemic equilibrium models is analyzed by using the method of comparison principle and Lyapunov function. Next, a numerical analysis is performed to elaborate the consistency of theoretical and numerical results and to prove the practical significance of zoonosis research. The numerical results show that our models are applicable to zoonosis with animal size larger than or smaller than population size. Finally, in order to see the most important factor for the epidemic of zoonosis a sensitive analysis is analyzed.

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Liu, X. (2019) A General Model of Zoonosis Where the Diseases Can Only Be Transmitted from Animals to Humans. Advances in Pure Mathematics, 9, 67-77. doi: 10.4236/apm.2019.92005.

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