Use this calculator tool to arrive at a rough estimate of the number of adults who will need to be started on HAART each year in a particular District, and the number of newly infected infants infected each year in that district.
References (see articles below):
Leydon NG, Venter F, Webster PD, Moleko W, Osih R, Barker PM. Achieving the HIV and AIDS National Strategic Plan: A practical calculator for local target setting in district health facilities. South African Medical Journal. 2010 Jul;100(7):420-425.
Barker PM, Venter F. Setting district-based annual targets for HAART and PMTCT: A first step in planning effective intervention for the HIV/AIDS epidemic. South Africa Medical Journal. 2007;95:916-917.