Despite the recent influx of HIV funding in sub-Saharan Africa, available resources fall short of needs. To bridge this gap, attention is brought to the manner in which funds are allocated towards intervention programs. We examine the epidemic outcome of equity based heuristic versus optimal allocation of HIV prevention funds.

Cell state transitions in cancer chemotherapy are modeled by ordinary differential equations involving empirical parameters. We describe an algorithm for estimating model parameters from data and discuss its use for evaluating the effects of treatment order when multiple drugs are administered, considering cell cycle specificity and resistance.

We analyze a territorial approach to deliver budget-based home care services to a public health territory. We present the case of the CSSS Côte-des-Neiges, where a territorial approach is used since 1980. We first give an historical comparison of patient visits delivered in 1998-1999 and in 2002-2003 and a deeper analysis of the home services delivered in 2002-2003 to seek if the territorial approach can well support the changing needs of the population. It is very difficult to identify the new population needs since the staff modifies the treatment plans by delivering more services to the less needy clients when its clientele gets better. This generates staff workload and population service inequities. Therefore, a more dynamic assignment of clients to the nurses requiring comprehensive patient need assessment --- or patient classification --- is worth the extra administrative time since the territorial approach is too difficult to make it worked in practice.