Modeling Rift Valley fever transmission: insights from fractal-fractional dynamics with the Caputo derivative
The infection caused by Rift Valley fever (RVF) virus is a dangerous vector-borne disease found in humans, domestic, and wild animals. It is transferred through insect vectors to ruminant host and then spread through direct contact of infected animals with their body fluid or organs. In this paper,...
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American Institute of Mathematical Sciences
2025
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| Summary: | The infection caused by Rift Valley fever (RVF) virus is a dangerous vector-borne disease found in humans, domestic, and wild animals. It is transferred through insect vectors to ruminant host and then spread through direct contact of infected animals with their body fluid or organs. In this paper, a fractal-fractional model for the transmission of RVF in the Caputo?s sense was presented. We analyzed the model and determined the basic reproduction number through the next-generation matrix technique, indicated by R0. The global sensitivity technique is used for the sensitivity test of R0 to find out the most sensitive input-factors to the reproduction parameter R0. The existence and uniqueness results of the proposed fractal-fractional model were established. Then, we presented the fractal-fractional dynamics of the proposed RVF model through a novel numerical scheme under the fractal-fractional Caputo operator. In the end, the recommended model of RVF was highlighted numerically with the variation of different input parameters of the system. The key factors of the system were highlighted to the policymakers for the control and prevention of the infection. ? 2024 the Author(s), licensee AIMS Press. |
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