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An almost periodic epidemic model with age structure in a patchy environment

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  • An almost periodic epidemic model with age structure in a patchy environment is considered. The existence of the almost periodic disease-free solution and the definition of the basic reproduction ratio $R_{0}$ are given. Based on those, it is shown that a disease dies out if the basic reproduction number $R_{0}$ is less than unity and persists in the population if it is greater than unity.
    Mathematics Subject Classification: 34C12, 37B55, 92D30.


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