By Bruce Aylward, M.D, and TadaTaka Yamada, M.D., (New England Journal of Medicine) [Excerpts] Infection with poliovirus can have devastating  consequences, including paralysis and death. In 1988, a year when an  estimated 350,000 or more children were paralyzed by polio, the World  Health Assembly initiated a global effort to eradicate the infection once  and for […]