We already know how to prevent or treat some of the world's deadliest diseases.
In fact, the tools exist to deal with 90 percent of the leading diseases and, in turn, dramatically improve the quality of life and life expectancy for children and adults around the world. Yet, these diseases will continue to sicken and kill until we invest in the health of all people.
In a donor climate that demands results and accountability, health interventions have the added advantage of being quantifiable. Public health experts are used to testing for results and can put evaluation systems in place to demonstrate concrete progress.