Findings: “US$5.1 billion in new resources is needed annually to save 6 million child lives in the 42 countries responsible for 90% of child deaths in 2000. This cost represents $1.23 per head in these countries, or an average cost per child life saved of $887. Sensitivity analyses for salary levels for community delivery agents, drug costs, and coverage rates for 2000 were used to develop uncertainty estimates around the US$ 5.1 billion annual price tag that range from about $3.1 billion to $8