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\chead{The 2nd Workshop on Applied Mathematics and  Artificial Intelligence (WAMAI'24)\\
 December 11, 2024, Berrechid, Morocco}
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		\underline{Author 1},Author 2 and Author 3\\
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			Affiliation.
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{\bf  Abstract}\\

Write the abstract


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\bibitem{7}  Sun Q.;  Min L.;  Kuang Y.
 Global stability of infection-free state and endemic infection state of a modified
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