Polio is not yet defeated but some experts are now cautiously optimistic that the end game is in sight.
The question now arises: if polio can be wiped out, what now? Should new eradication targets be lined up and tackled using the infrastructure that has been built in the fight against polio or is it wiser to change tack?
When polio was first identified as an eradication target in the 1980s there was considerable debate as to whether eradication itself was worth pursuing. Some advocated greater investment in the primary health systems of developing countries, including routine immunisation.
In this video, historian Dr William Muraskin, author of