The programme is focusing on reaching zero-dose children (children who are either un- or under-immunized), in identified ‘consequential geographies’.

But what exactly are consequential geographies, and why are they so vital to the global effort to eradicate polio?

In this explanatory video, long-time polio eradicator and Director for polio eradication at WHO’s Eastern Mediterranean Region, Dr Hamid Jafari, explains more.