Global dynamics of a compartmental model for the spread of Nipah virus.
34A99
92D30
Compartmental epidemic model
Global dynamics
Lyapunov functions
Nipah virus
Zoonotic spillover
Journal
Heliyon
ISSN: 2405-8440
Titre abrégé: Heliyon
Pays: England
ID NLM: 101672560
Informations de publication
Date de publication:
Sep 2023
Sep 2023
Historique:
received:
05
05
2023
revised:
18
08
2023
accepted:
30
08
2023
medline:
9
10
2023
pubmed:
9
10
2023
entrez:
9
10
2023
Statut:
epublish
Résumé
Nipah virus, which originated in South-East Asia is a bat-borne virus causing Nipah virus infection in humans. This emerging infectious disease has become one of the most alarming threats to public health due to its periodic outbreaks and extremely high mortality rate. We establish and study a novel SIRS model to describe the dynamics of Nipah virus transmission, considering human-to-human as well as zoonotic transmission from bats and pigs as well as loss of immunity. We determine the basic reproduction number which can be obtained as the maximum of three threshold parameters corresponding to various ways of disease transmission and determining in which of the three species the disease becomes endemic. By constructing appropriate Lyapunov functions, we completely describe the global dynamics of our model depending on these threshold parameters. Numerical simulations are shown to support our theoretical results and assess the effect of various intervention measures.
Identifiants
pubmed: 37809375
doi: 10.1016/j.heliyon.2023.e19682
pii: S2405-8440(23)06890-1
pmc: PMC10558937
doi:
Types de publication
Journal Article
Langues
eng
Pagination
e19682Informations de copyright
© 2023 The Author(s).
Déclaration de conflit d'intérêts
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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