Global Update: Prevention: So Many Mosquitoes, Only So Many Nets

Simple as they are, even mosquito nets generate complicated numbers games. Only one answer is easy: more are needed.

Zrodlo (oryginalny wpis) na http://www.nytimes.com/2008/04/29/health/29glob.html?ex=1367121600&en=4bb55e35aa487e17&ei=5088&partner=rssnyt&emc=rss,By DONALD G. McNEIL Jr.