The risk now is Nigeria - and losing the commitment in other countries. But we're confident now that Nigeria will get the job done.

I'm fearful that if we don't have smart development [no matter how small the acreage] that we still risk losing traditional values. These lots may be small, but you still have to have a road to get there.

Africa, outside of Nigeria, is back on track ... Nigeria remains the single greatest risk to eradication.

He has risk and he has edge, which some companies look for. Those that will look at him will be companies looking for publicity value, because he generates that.

I can't tell you that we can't make the target. We won't be able to say until August, when the high-transmission season resumes. Then we'll know how many countries still have polio.

If you don't want it bad enough to risk losing it- you don't want it bad enough.