Well, Keith, that's a reasonable question, and I do not have a hard answer. I am sure it has to do with the incidents of contact and there are a lot of cultural angles that surround that into which I have no insight at all.

If, for example, all gays were kept in ghettos, or self-elected themselves into ghetto-like conclaves to avoid being harassed, it would explain such a concentration of incidents in combination with the other risk factors mentioned above. But this is all speculation, I have no idea what the factors are. I am fairly confident, however that they are NOT simply the homosexuality per se. The social fabric in which homosexuals operate, may be. The known factors I have read of are unprotected anal sex and promiscuity. These make sense on purely mechanical grounds of transmission.

A