.
Your statement makes no sense at all.
Maybe there is a better way to say whatever you’re trying to say?
.
Perhaps. Is autism caused by vaccines and only vaccines? Before vaccines, did autism exist? Should we stop vaccinating?
The problem is that (like AGW, for instance) some people take a theory and run with it, before all the facts are in. Vaccines may well be the cause, but only when combined with certain individual genetic factors, or they may be one cause out of several.