Mathematical Analysis on Transmission of Nosocomial Infection Applying Combination Therapy

Saiful Islam Rokib, Shahadat Hossain, Maria Binte Malek, Fariha Akter Ruhi and Uzzwal Kumar Mallick

Journal of Applied Mathematics, 2025, vol. 2025, 1-18

Abstract: Nosocomial infections, such as those caused by carbapenem-resistant Klebsiella pneumoniae (CRKP) transmitted into hospitals, worsen patient outcomes, strain healthcare infrastructure, increase treatment costs, prolong hospital stays, and complicate medical treatment due to their high level of antibiotic resistance. Taking into account these detrimental aspects, this study deals with a dynamic system of nonlinear differential equations with maintenance preventive strategies, and treatment applying combination therapy has been considered to prevent CRKP transmission and reduce antibiotic resistance while accounting for two hospital populations. The analytical analysis includes positivity, boundedness, existence of a unique solution, stability at equilibrium points, reproduction number (R0), sensitivity, and convergence of state variables. And, the numerical simulations were performed using the fourth-order Runge–Kutta method. We find that the proper implementation of hygiene practices among hospitalized patients and the consistent use of personal protective equipment (PPE) by healthcare workers play an important role in preventing CRKP transmission in hospitals. Additionally, applying combination therapy as a treatment approach for CRKP reduces antibiotic resistance. Consequently, this improves hospital safety and ensures a healthier environment by minimizing the spread of infectious agents and reducing the risks of nosocomial infections.

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnljam:3002490

DOI: 10.1155/jama/3002490

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