| progress toward poliomyelitis eradication--india, bangladesh, and nepal, january 2001-june 2002. | since the world health assembly resolved in may 1988 to eradicate poliomyelitis, the estimated incidence of polio has decreased >99%, and three world health organization (who) regions (american, western pacific, and european) have been certified polio free. member countries of the south-east asia region (sear) of who began accelerating polio eradication activities in 1994 and since then have made substantial progress toward that goal. by january 2001, indigenous wild poliovirus transmission in s ... | 2002 | 12353744 |