On the Dynamics of the Evolution of the HIV Infection

Details On the Dynamics of the Evolution of the HIV Infection On the Dynamics of the Evolution of the HIV Infection

2000-08-04

arxiv.org/abs/cond-mat/0008081v1

Physical Review Letters, 87 168102 (2001).

Physics

Condensed Matter

Statistical Mechanics

4 pages, 3 postscript figures

Scientific paper

10.1103/PhysRevLett.87.168102

We use a cellular automata model to study the evolution of HIV infection and the onset of AIDS. The model takes into account the global features of the immune response to any pathogen, the fast mutation rate of the HIV and a fair amount of spatial localization. Our results reproduce quite well the three-phase pattern observed in T cell and virus counts of infected patients, namely, the primary response, the clinical latency period and the onset of AIDS. We have also found that the infected cells may organize themselves into special spatial structures since the primary infection, leading to a decrease on the concentration of uninfected cells. Our results suggest that these cell aggregations, which can be associated to syncytia, leads to AIDS.

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