In this paper, we study a fractional-order model with time-delay to describe the dynamics of Ebola virus infection with cytotoxic T-lymphocyte (CTL) response in vivo. The time-delay is introduced i ...

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In this paper, we propose a periodic dengue disease transmission model with two time delays and vaccination. We first introduce the basic reproduction ratio R0 R 0 for this model and then prove that ...

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