Intestinal flu is a synonym for a lot of viral infections dealing with the stomach or gut. You cannot rely on symptoms to diagnose HIV. You need to be tested to find out your results. If you had a risk, that is indeed a reason to test.
Teak,
I don't have intesinal flu. Just bronchitis. As you said before I was at low risk to begin with. I had unprotected oral and protected sex with a sex worker seven weeks ago. I just wanted to know from Dr. H whether bronchitis or a bad cold was a part of intial infection of HIV. I have had no fever, no rashes, ....
No, you were at no risk receiving a blowjob. So whatever is going on with you is unrelated to HIV.