I had an exposure on the 4th of may,2016,the only thing I did was sucking on a girls breast,after which I found blood in my saliva,some weeks later I had swollen lymph node, neck pain as well as other symptoms, at the moment I am experiencing oral thrush as well as the former symptom, I took a determine HIV 1/2 test at the 34d weeek post exposure,the result came out negative,I then took two unigold tests at the 8th and 10th week respectively, they also turned out negative ,I had been told that the window period was there months ,so I took two determine HIV 1/2 test at the 12th and 16th week ,they came out negative took.at the 33rd week (7 months plus)I took another determine HIV 1/2 test, it also came out negative,however the symptoms are persisting, I'm so scared, and I sstimes feel skeptical about the test...can I be infected?