What's the best way to improve developing world health

www.alertnet.org/db/blogs/36072/2007/09/30-155248-1.htm

The millium development goals which sets targets for reducing poverty and mortality. Estimates show thatb countries need to spend $35 - $40 a person to meet these goals. The U.S.based public libary of science posed this question "which single intervention would do the most to improve the health of those living on $1 or less a day. " The main ideas suggested were medicated bed nets, direct cash transfers, safe water, aids vaccines, educating women, ensuring free trade and vaccinations and assuring everyone gets 2 square meals a day.
Some groups feel that it will get worse if we only offer 1 thing and not tend to all the needs and go after it aggressively. The also feel that the involvement of the E.U. introducing their "blue card" scheme to encourage skilled migration. It seems hypocritical to only increase the year end budget and not really go after this and do whatever it takes to make it happen,\.