DYNAMICAL ANALYSIS OF SVEIR MODEL IN SPREAD OF THE MONKEYPOX DISEASE WITH TIME DELAY

  • Isnu Aji Saputro Department of Mathematics, Jenderal Soedirman University, Indonesia
  • Glagah Eskacakra Setyowisnu Department of Mathematics, Jenderal Soedirman University, Indonesia
  • Noor Sofiyati Department of Mathematics, Jenderal Soedirman University, Indonesia
  • Dian Puspita Department of Mathematics, Jenderal Soedirman University, Indonesia

Abstract

Monkeypox is an infectious disease whose spread is influenced by various epidemiological factors, one of which is the incubation period. This study developed a mathematical model of Monkeypox, SVEIR, by incorporating a time delay in the transition from an exposed individual to an infectious individual, representing the incubation period. Model analysis shows that the system has two equilibrium points: a disease-free state and an endemic state. Based on the simulation results, a threshold value (tau* ) is obtained, which plays a crucial role in disease control. If the incubation period is below the threshold ( tau<tau*), then R0>1 , and the disease will spread endemically. Conversely, if the incubation period exceeds the threshold (tau>tau* ), then R0<1 , and the disease will disappear from the population

Published
2026-01-07
How to Cite
SAPUTRO, Isnu Aji et al. DYNAMICAL ANALYSIS OF SVEIR MODEL IN SPREAD OF THE MONKEYPOX DISEASE WITH TIME DELAY. Jurnal Ilmiah Matematika dan Pendidikan Matematika, [S.l.], v. 17, n. 2, p. 151-166, jan. 2026. ISSN 2550-0422. Available at: <https://jos.unsoed.ac.id/index.php/jmp/article/view/17707>. Date accessed: 17 jan. 2026. doi: https://doi.org/10.20884/1.jmp.2025.17.2.17707.

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