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All Journal Jambura Journal of Biomathematics (JJBM)
Dwi Lestari
Department of Mathematics Education, Mathematics Study Program, Universitas Negeri Yogyakarta, Yogyakarta 55281, Indonesia
Computer Science & IT Decision Sciences, Operations Research & Management Mathematics Public Health

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Analyzing Dengue Transmission Through a Two-Age-Class Host Population Model Eminugroho Sari; Dwi Lestari; Nikenasih Binatari; Retno Subekti; Fitriana Saptaningtyas
Jambura Journal of Biomathematics (JJBM) Vol. 7 No. 1: March 2026
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjbm.v7i1.6

Abstract

Age is an important risk factor for vector-borne diseases such as dengue. Children are more exposed to mosquito bites than adults due to behavioral and environmental factors. This study extends the classical host-vector modeling framework by incorporating the human population divided into two age classes, i.e, children and adults. The model also introduces additional key biological parameters, such as $b$, the number of mosquito bites per day; $\sigma$, the intrinsic growth rate of the mosquito population; and $\eta$, the relative probability that a mosquito bites an adult rather than a child. We derive the basic reproduction number using the next-generation matrix method and analyze the local stability of the disease-free equilibrium. Furthermore, we obtain sufficient conditions for the local asymptotic stability of the endemic equilibrium in a specific case. Sensitivity analysis is discussed to identify parameters that have the most influence. The numerical simulations are provided to support the theoretical results.
Co-Authors Eminugroho Sari Fitriana Saptaningtyas Nikenasih Binatari Retno Subekti