Scorecard calculates effect on child mortality of donor and government spending on nutrition programmes, vaccines and primary careMore than 34 million children’s lives have been saved in the last 15 years at a cost, in the poorest countries, of about $4,000 (£2,500) each, say experts who have compiled a scorecard of donor and government spending on child health.The US government has saved the largest number of lives of children under the age of five, at 3.3 million.