Polio should have been eradicated by now. What’s plan B?

TL;DR - Nature examines whether global polio eradication remains achievable amid funding cuts and political barriers, and what contingency plans researchers are considering.

• The eradication campaign has not met its expected timeline.
• Financial constraints and political obstacles threaten further progress.
• Researchers are reassessing whether eradication can succeed under current conditions.
• The provided excerpt does not specify proposed “plan B” strategies or technical findings.