Costs and paediatric outcomes from preventing mother to child transmission programmatic interventions for 18 months of prophylaxis and treatment* (US $ 2010).

*Assumes 663,000 pregnant women, 66,500 HIV-infected pregnant women annually, and 90% (59,850) of those women reached by Option A, B and B+.**Assumes no needed CD4 to start ART under the Malawi Option B+ approach; however, in practice some HIV-infected pregnant women will have access to CD4 testing as part of staging and response to treatment***Background infections if no ARV interventions = 20,681