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Author Spotlight: Advancements and Challenges in Hepatitis B Virus Detection
Published on: December 15, 2023
Classification and sensitivity analysis of the transmission dynamic of hepatitis B
Tahir Khan1, Il Hyo Jung2, Amir Khan1,3
1Department of Mathematics, University of Malakand, Khyber Pakhtunkhawa, Chakdara Dir Lower, Pakistan.
Insights
Hepatitis B virus (HBV) transmission dynamics were modeled, identifying unvaccinated births, perinatal infections, and contact rates as key risks. This study enhances understanding of HBV spread and informs public health strategies.
Area of Science:
- Epidemiology
- Mathematical Biology
- Virology
Background:
- Hepatitis B virus (HBV) infection is a significant global health concern.
- Transmission involves acute, chronic, and asymptomatic carrier stages, with carriers posing a unique transmission risk.
- Understanding these dynamics is crucial for effective public health interventions.
Purpose of the Study:
- To assess the transmissibility of hepatitis B across different infection stages.
- To develop and analyze an epidemic model for hepatitis B transmission.
- To identify key factors influencing the spread of hepatitis B in the community.
Main Methods:
- An epidemic model was formulated to simulate hepatitis B transmission.
- The infectious population was categorized into acute, chronic, and carrier individuals.
- Both horizontal and vertical transmission routes were incorporated into the model.
Main Results:
- Numerical simulations and sensitivity analyses were performed.
- The proportion of unvaccinated births was identified as a major risk factor.
- Perinatal infections and direct contact rates significantly contribute to hepatitis B spread.
Conclusions:
- The developed model offers a comprehensive framework for studying hepatitis B dynamics.
- Findings provide direction for theoretical research and practical control measures.
- Identifying high-risk factors aids in targeted prevention and intervention strategies.
Background:
Hepatitis B infection caused by the hepatitis B virus is one of the most serious viral infections and a global health problem. In the transmission of hepatitis B infection, three different phases, i.e. acute infected, chronically infected, and carrier individuals, play important roles. Carrier individuals are especially significant, because they do not exhibit any symptoms and are able to transmit the infection. Here we assessed the transmissibility associated with different infection stages of hepatitis B and generated an epidemic model.
Methods:
To demonstrate the transmission dynamic of hepatitis B, we investigate an epidemic model by dividing the infectious class into three subclasses, namely acute infected, chronically infected, and carrier individuals with both horizontal and vertical transmission.
Results:
Numerical results and sensitivity analysis of some important parameters are presented to show that the proportion of births without successful vaccination, perinatally infected individuals, and direct contact rate are highest risk factors for the spread of hepatitis B in the community.
Conclusion:
Our work provides a coherent platform for studying the full dynamics of hepatitis B and an effective direction for theoretical work.
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