As mentioned above we already have a 100% effective solution. Problem == solved, however the solution is unacceptable to our modern society. The fact that people balk at the idea shows that they care more about base desires than their own health then turn around and demand that someone else fixes their mistake.
I mean for goodness sake, we are decriminalizing knowingly infecting other people. That's the opposite of helping. How can someone give informed consent if their partner is allowed to lie about their condition?
https://www.nbcnews.com/feature/nbc-out/new-california-law-r...
Don't want lung cancer then don't smoke. Don't want STIs then don't have promiscuous sex.
It literally cannot be easier to understand.