I highly doubt this is truly the reason

"Over the weekend, relations were pummelled further when the US announced that it would cut $800m (£500m) worth of military aid as punishment for Pakistan's perceived lack of co-operation in the anti-terror fight." It might not be THE reason, but I guess there would be less than the [1]20 cases of polio that there are now in Pakistan if that $800m hadn't been cut.

[1] http://www.endpolio.com.pk/polio-cases-district-wise-2016

It is not the sole reason. But I spoke with a Gates Foundation employee after this happened and it was directly effecting their ability to safely send out vaccinators. So it played a part in the persistence of polio in Pakistan.

Care to elaborate?

not likely related at all, but interesting story!

How is it not related? Polio was on the brink of eradication with the last strongholds in Pakistan... CIA spooks Pakistanis into thinking vaccinations are not good...Citizens refuse Rotary polio vaccines... polio remains present in Pakistan.

okay, I can concede to that perspective.