Difference between revisions
polio-eradication
Source +0 −0
… 19 unchanged lines
Revision 180 as rendered
Cases fell by over 99% from about 350,000 a year in 1988. Wild types 2 and 3 are certified eradicated. Wild type 1 persists in Pakistan and Afghanistan, and outbreaks derived from the oral vaccine complicate the endgame.
Posed 1988, Global Polio Eradication Initiative.