False feeling of security is the beginning of danger. It's really important to let the educators to stress the point that this a la carte vaccine can only protect you from one danger, and you still need to use condom when you are having sex.

Now we don't know. But even it's confirmed, the solution is to promote using condom. Letting girls having less sex is pointless in itself, and if it's achieved by letting them exposed to more danger even prevention is available, this is evil.