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Research Report SRR95-033

Modelling the spread of HIV in prisons: dedicated to the memory of Ted Hannan

J. Gani

Abstract: This paper is concerned with models for the spread of HIV in prisons. We first consider a single prison of size N in which there is homogeneous mixing, and where there id an inflow and outflow of n \leq N prisoners at times t=0,1,2,.... Conditions are derived for the stability of the system. The interaction of such a prison with the outside world is then studied, and stability conditions obtained for this case. Finally, a quarantine policy is examined and its cost analyzed, both in the non-stable and stable cases.


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