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- Title
Stochastic Model to Assess the Epidemiological Impact of Vaccine Booster Doses on COVID-19 and Viral Hepatitis B Co-Dynamics with Real Data.
- Authors
Omame, Andrew; Abbas, Mujahid; Baleanu, Dumitru
- Abstract
A patient co-infected with COVID-19 and viral hepatitis B can be at more risk of severe complications than the one infected with a single infection. This study develops a comprehensive stochastic model to assess the epidemiological impact of vaccine booster doses on the co-dynamics of viral hepatitis B and COVID-19. The model is fitted to real COVID-19 data from Pakistan. The proposed model incorporates logistic growth and saturated incidence functions. Rigorous analyses using the tools of stochastic calculus, are performed to study appropriate conditions for the existence of unique global solutions, stationary distribution in the sense of ergodicity and disease extinction. The stochastic threshold estimated from the data fitting is given by: ℛS0 = 3.0651. Numerical assessments are implemented to illustrate the impact of double-dose vaccination and saturated incidence functions on the dynamics of both diseases. The effects of stochastic white noise intensities are also highlighted.
- Subjects
PAKISTAN; VIRAL hepatitis; HEPATITIS B; BOOSTER vaccines; STOCHASTIC models; EPIDEMIOLOGICAL models
- Publication
CMES-Computer Modeling in Engineering & Sciences, 2024, Vol 138, Issue 3, p2973
- ISSN
1526-1492
- Publication type
Article
- DOI
10.32604/cmes.2023.029681