propagating information vs. spreading information

[GoodTaste]

"There's no evidence that it happens, nor is there any mechanistic reason to imagine that it would happen," Fauci said. "She should be thinking twice about propagating information that really has no basis, except as a one-off anecdote, and that's not what science is about."

Source: USAToday

What is difference between "propagating information" and "spreading information"? It seems to me that the former is more formal than the latter while they share the same meaning. I am not sure.

 

[SoothingDave]

He probably chose the word to link the idea with "propaganda," which is bad.