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has been cited by the following article:

• TITLE: Modelling the Impact of Stages of HIV Progression on Estimates

  AUTHORS: Angelina Mageni Lutambi

  KEYWORDS: HIV Stages, Transmission, Mathematical Model, Population Dynamics, Model Estimates

  JOURNAL NAME: Advances in Infectious Diseases, Vol.5 No.3, September 16, 2015

  ABSTRACT: HIV/AIDS is a public health problem especially in sub-Saharan Africa where majority of infections and deaths occur. Despite the large number of studies and efforts made in covering the data gap using mathematical models, little is known on how model estimates are confounded by the transmission variabilities that exist in stages of HIV progression. This work investigates the impact of including stages of HIV transmission in HIV/AIDS models. A deterministic HIV/AIDS model is developed and extended to include stages of HIV progression of infected individuals. Theoretical investigation of the models and numerical analyses indicate that the two models produce different estimates, with the model without stages producing lower estimates than the staged model. These results call for a careful consideration in evaluating the efficiency of HIV/AIDS models that are used to estimate and project the burden of HIV/AIDS disease.