Model parameter descriptions and estimates, with sources.

UN – United Nations; UNFPA – United Nations Population Fund; UNICEF – United Nations Children's Fund; WHO – World Health Organization.
*Approximated by percentage of children <5 years for whom treatment was sought from a health facility or provider (excluding pharmacies, shops and traditional practitioners) for symptoms of acute respiratory infection.
†Figures for total births/year are in relatively good agreement to those derived from estimates of birth rate and population size for Tanzania and Ethiopia quoted in the CIA World Fact Book (derived estimates of 1,412,486 and 2,879,751 births/year for Tanzania and Ethiopia, respectively) [58].
‡Calculated figures; see Supplementary Text S1 for details. Calculations are based on proportion of aborted pregnancies terminated in the first trimester, , being 62%; where this value is varied in sensitivity analysis, these values are recalculated accordingly.