Bill and Melinda Gates speak about global health (20 images)

Bill Gates speaks to an audience gathered at the Sidney Harmen Hall in Washington on global health initiatives on October 27, 2009. The graphic displayed behind Gates illustrates in the color red, areas of the world where the transmission of Malaria occurred in 1900. Gates, who co-chairs the Bill and Melinda Gates Foundation, spoke about the Foundation's Living Proof Project, which reports on successful cases of U.S.-funded international health programs. UPI/Alexis C. Glenn

Bill and Melinda Gates speak to an audience gathered at the Sidney Harmen Hall in Washington on global health initiatives on October 27, 2009. The Gateses, who co-chair the Bill and Melinda Gates Foundation, spoke about the Foundation's Living Proof Project, which reports on successful cases of U.S.-funded international health programs. UPI/Alexis C. Glenn

Bill Gates speaks to an audience gathered at the Sidney Harmen Hall in Washington on global health initiatives on October 27, 2009. Gates, who co-chairs the Bill and Melinda Gates Foundation, spoke about the Foundation's Living Proof Project, which reports on successful cases of U.S.-funded international health programs. UPI/Alexis C. Glenn

Melinda Gates speaks to an audience gathered at the Sidney Harmen Hall in Washington on global health initiatives on October 27, 2009. Gates, who co-chairs the Bill and Melinda Gates Foundation, spoke about the Foundation's Living Proof Project, which reports on successful cases of U.S.-funded international health programs. UPI/Alexis C. Glenn