Very quick question: I took an oral swab test for HIV the other day and I vaguely remember taking a sip of my soda 5-10 minutes before I did the test (I was a bit nervous!). Would this in any way affect the validity of my result? I've been seeing conflicting information on the web about this. One website (AIDS action committee) says you shouldn't eat, drink, or smoke 20 minutes before the test, another website says 1-2 hours, and others say it doesn't matter at all. What's the deal? Would I need to test again?