If I am understandin: Your question you got exposed 7 weeks ago and then want to know if a 3 day test is accurate? I would say that no test is 100 percent accurate. So in general we test at one time and if you are neg - we ask you come back for one additional test. I am not a front line pysician who does this so you can ask your doctor who is treating you. Its good to have a second test when you are exposed.
Answered 5/7/2013
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