15 minute at home HIV test, gives results without going to a lab.  You
could give it to your partner right before you had sex with them.  For
$30 it's kind of expensive, but maybe in the future if they got the
price down to like $3.00 or something, this could protect everyone
against HIV.  It's just sold in Canada, I don't think it's been
approved by the FDA yet.

http://www.htkits.com/

Anyway, if you don't have sex with gay guys or girls who do, and you
use condoms, the risk  of HIV is low compared to many other sexually
transmitted diseases.