HIV Support Group
HIV (also known as human immunodeficiency virus, and formerly known as HTLV-III and lymphadenopathy-associated virus) is a retrovirus that primarily infects vital components of the human immune system which can lead the syndrome known as AIDS. Many of the problems faced by people infected with HIV result from failure of the immune system to protect from opportunistic...
You bring up a good question.
Oral sex is low on the risk scale as long as a condom was used and there was no exchange of bodily fluids then do not worry about it so much.
It is still an idea to get tested. Any sexually active person should get tested every 6 months regardless.
There are places in most countries where you can go and get tested anonymously for free. You can contact your local AIDS Organization for more information. You can also read in depth information on http://catie.ca