The dynamics of multiple species and strains of malaria

This paper presents a deterministic SIS model for the transmission dynamics of malaria, a life-threatening disease transmitted by mosquitos. Four species of the parasite genus Plasmodium are known to cause human malaria. Some species of the parasite have evolved into strains that are resistant to tr...

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Main Authors: Ephraim Agyingi, Matthias Ngwa, Tamas Wiandt
Format: Article
Language:English
Published: Intercollegiate Biomathematics Alliance 2016-01-01
Series:Letters in Biomathematics
Subjects:
Online Access:http://dx.doi.org/10.1080/23737867.2016.1157449
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author Ephraim Agyingi
Matthias Ngwa
Tamas Wiandt
author_facet Ephraim Agyingi
Matthias Ngwa
Tamas Wiandt
author_sort Ephraim Agyingi
collection DOAJ
description This paper presents a deterministic SIS model for the transmission dynamics of malaria, a life-threatening disease transmitted by mosquitos. Four species of the parasite genus Plasmodium are known to cause human malaria. Some species of the parasite have evolved into strains that are resistant to treatment. Although proportions of Plasmodium species vary considerably between geographic regions, multiple species and strains do coexist within some communities. The mathematical model derived here includes all available species and strains for a given community. The model has a disease-free equilibrium, which is a global attractor when the reproduction number of each species or strain is less than one. The model possesses quasi-endemic equilibria; local asymptotic stability is established for two species, and numerical simulations suggest that the species or strain with the highest reproduction number exhibits competitive exclusion.
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spelling doaj.art-a0cac558787c4f569014bde175b09b7a2022-12-21T23:42:05ZengIntercollegiate Biomathematics AllianceLetters in Biomathematics2373-78672016-01-0131294010.1080/23737867.2016.11574491157449The dynamics of multiple species and strains of malariaEphraim Agyingi0Matthias Ngwa1Tamas Wiandt2Rochester Institute of TechnologyRochester Institute of TechnologyRochester Institute of TechnologyThis paper presents a deterministic SIS model for the transmission dynamics of malaria, a life-threatening disease transmitted by mosquitos. Four species of the parasite genus Plasmodium are known to cause human malaria. Some species of the parasite have evolved into strains that are resistant to treatment. Although proportions of Plasmodium species vary considerably between geographic regions, multiple species and strains do coexist within some communities. The mathematical model derived here includes all available species and strains for a given community. The model has a disease-free equilibrium, which is a global attractor when the reproduction number of each species or strain is less than one. The model possesses quasi-endemic equilibria; local asymptotic stability is established for two species, and numerical simulations suggest that the species or strain with the highest reproduction number exhibits competitive exclusion.http://dx.doi.org/10.1080/23737867.2016.1157449Malaria transmissionmultiple speciesresistant strains
spellingShingle Ephraim Agyingi
Matthias Ngwa
Tamas Wiandt
The dynamics of multiple species and strains of malaria
Letters in Biomathematics
Malaria transmission
multiple species
resistant strains
title The dynamics of multiple species and strains of malaria
title_full The dynamics of multiple species and strains of malaria
title_fullStr The dynamics of multiple species and strains of malaria
title_full_unstemmed The dynamics of multiple species and strains of malaria
title_short The dynamics of multiple species and strains of malaria
title_sort dynamics of multiple species and strains of malaria
topic Malaria transmission
multiple species
resistant strains
url http://dx.doi.org/10.1080/23737867.2016.1157449
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