Whenever I read "misinformation" I always wonder whether this is the old "misinformation" that turned out to be actually the correct information mislabeled, or

Whenever I read "misinformation" I always wonder whether this is the old "misinformation" that turned out to be actually the correct information mislabeled, or is it some of the old information that is still wrong, or is it some new information that some people are saying is wrong.