I Made A Stupid Mistake And Hooked Up With A

I made a stupid mistake and hooked up with a random there was no anal involved. But I did give him oral and swallowed. I took a 4th generation duo test at a clinic 17!days after possible exposure. I plan on retesting. I've had a sore throats for a few days and am afraid these may be symptoms of hiv. Is a duo test after 17 days usually pretty accurate?