Just to ease your mind about HIV - The only risks for HIV in adults are:
1) Having unprotected anal or vaginal sex, or
2) sharing intravenous needles with IV drug users.
AIDS isn't something you can catch, but HIV, which can leads to AIDS, is transmissible - but ONLY by engaging in one of the activities listed above, with a person who is HIV-positive.
Wow guys, these are the best answers I ever read. Thank you so much for this information, really detailed and hope these help other people as well. Bless you both for this info.