摘要
AdiseasetransmissionmodelofSIStypewithstagestructureandadelayisformulated.Stabilityofthediseasefreeequilibrium,andexistence,uniqueness,andstabilityofanendemicequilibrium,areinvestigatedforthemodel.Thestabilityresultsarcstatedintermsofakeythresholdparameter.Theeffectsofstagestructureandtimedelayondynamicalbehavioroftheinfectiousdiseaseareanalyzed.ItisshownthatstagestructurehasnoeffectontheepidemicmodelandHopfbifurcationcanoccurasthetimedelayincreases.
出版日期
2002年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)