Hello I have read that the RNA PCR test is for early test to see if your infected. I had mine at 10 days post exposure that was in the time frame for the RNA Test it came back negative. I know this test alone is not conclusive but gives you anywhere from at 95percent accurate to 99 percent. My question is when I got back in another 2 weeks and get my 4 generation test are my result likely to change from the RNA test? I had unproteced vaginal intercourse.