I tested with quest, ELISA and labcorp/iCMA almost every 3months ie, may be 6-7 times since
october 2010 recent one in september 2012/ (20 months since last exposure) with quest , again negative,. I have hypothyroidism and PCOS, do these alter test results/seroconversion, Do i have HIV and antbodoes not showing up. I recently see white spot on my right tosil for past 2 months, it goes away whe i scrap and again comes back. no patch on tongue, roof of mouth.