Effort to defeat polio faces unique challenges
Washington Post, December 26, 2007
The 19-year-old campaign to eradicate polio is celebrating recent progress and an unexpected infusion of cash. But experts are realizing that they will not be able to end the expensive and laborious efforts to control the virus anytime soon. It is now clear that the virus that causes polio could reemerge years, and possibly even decades, after the last case is found.