AFAIK, there is no "spate" of nurses telling that story: only one nurse, Jodi Doering, from Woonsocket, SD. It was her contemplative Tweet on the subject that went viral. I'm not sure why she should have a reason to make up that story; she did not tweet it about it until this past Saturday, well after the Election. FWIW, her Tweet (quoted in full in this story) mentioned the ventilators.
https://www.poynter.org/newsletters...eality-of-the-coronavirus-in-a-cnn-interview/
I don't think it matters if one nurse or 100 nurses encountered such a scenario: the idea that it happened even once should horrify us, because this is 2020, not 1520. We have the science to identify and verify the presence of invisible-to-the-human-eye contagious disease vectors. For the same reason that we know the world is not flat, we know that COVID is an actual contagious disease. The very idea that in this time and in this place, people who are trusted to lead our governments are willfully lying about that to members of the public -- and being believed by able adults? That's almost as frightening as the disease itself.
Psychologists have a term for the sort of denial we are speaking of: they call it "motivated reasoning". It's just as much a thing as COVID is, and just as toxic. We need to make it a point to contest it when it turns up in public discourse.