The vice president has enjoyed a polls boost since being widely considered the winner of the September 10 ABC debate against her Republican rival

But some pollsters and data scientists question the significance of the Quinnipiac University poll for Vice President Harris' standing.

The new Quinnipiac University poll shows Harris leading Trump in the swing states of Pennsylvania and Michigan, which are both seen as critical states for the two frontrunners. The poll comes as both campaigns court voters in swing states less than 50 days out for November’s election.