I'm trying to explain why your idea is more based in fantasy than grounded in reality. Not only would you have to force everyone to remain a virgin (and it would be forced), you'd also have to simultaneously do away with recreational intravenous drug use (which requires it's own mountain range to climb).
Oh, force wouldn't work. Shadow Wolf, you don't seem to be reading what I write about this. I have written, more than once or twice, that this would have to be an individual, willing choice; one cannot force this idea on anyone and have it work.
It IS airdreaming...and I've written that more than once or twice, too. I mean, if it were all that possible, then we humans would have done it already.
However, that does not make it untrue that if we COULD, and WOULD, it would solve the problem.
In a generation.
And this has nothing to do with drug use...except for this: again, it's about the fact that no matter how many other ways there are to contract an STD, if nobody was spreading them via sexual contact, there would be very, very few (if any) people contracting them any OTHER way.
After all, ...and we are back to the smallpox thing again...nobody worries about getting smallpox through blood transfusion/contact, or intravenous drug use, or toilet seats, or breathing 'bad humors,' or whatever, are they?
Because nobody has small pox in order to spread it in any manner whatsoever.