A stage-structured SEIR model with time-dependent delays in an almost periodic environment

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Lizhong Qiang1, Ren-Hu Wang2, Ruofan An3

  • 1College of Mathematics and Statistics, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China.

Mathematical Biosciences and Engineering : MBE
|December 31, 2020
PubMed

Keywords:
SEIR modelalmost periodicitybasic reproduction ratiothreshold dynamicstime-dependent delay

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