That trope is only slightly wrong. He didn't say bleach, he said disinfectant. And that was in the context of disinfectant used to clean surfaces.

"And then I see the disinfectant where it knocks it out in a minute. One minute. And is there a way we can do something like that, by injection inside or almost a cleaning?

"So it'd be interesting to check that."

Pointing to his head, Mr Trump went on: "I'm not a doctor. But I'm, like, a person that has a good you-know-what."