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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes The Fluctuations In HIV Combo Anti Test Results?

I had uprotected sex 15.05.2011 than I did test HIV Combo Anti 1+2 i p24 Ag (ECLIA) 11.07.2011 my result was 0.352, I did test again on 12.08.2011 was 0.370, on 12.09. 2011 was 0.392 and 12.10.2011( 5months) test was 0.43, why result is changing? do i have to worry? values are becoming higher.
Wed, 18 Jun 2014
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HIV AIDS Specialist,  's  Response
Hi , what you are talking about are OD values. This is unique for a test using a particular kit and there are different values for a positive , negative and indeterminate result. So these figures(OD Values ) simple can't be interpreted . Whatever your result was --you can match with a value written in the report for a positive result/ negative report. Now you look which way it is falling . If does fall within a range of positive or negative values then it is an indeterminate value , meaning that you have to repeat your tests again.But before testing see a qualified HIV Specialist , who will administer counselling first then test your blood.
They can go for western blotting test in case of an indeterminate result.
Hope this does help in getting correct and scientific knowledge about HIV .
kEEP ME POSTED.

Dr Matin .A. Khan
MBBS, MPH, MMSc (HIV Med) PhD
M.A (Sociology) , M.Sc(Psychology), M.Sc(Counselling & Psychotherapy)
Fellowship in HIV Medicine (School of Tropical Medicine Kolkata, India)
AAHIVS ( American Academy of HIV Medicine USA)
Galen Exam for Certificate of Clinical Competence in HIV Medicine from IAPAC USA
MGM Medical College , Jamshedpur , India
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What Causes The Fluctuations In HIV Combo Anti Test Results?

Hi , what you are talking about are OD values. This is unique for a test using a particular kit and there are different values for a positive , negative and indeterminate result. So these figures(OD Values ) simple can t be interpreted . Whatever your result was --you can match with a value written in the report for a positive result/ negative report. Now you look which way it is falling . If does fall within a range of positive or negative values then it is an indeterminate value , meaning that you have to repeat your tests again.But before testing see a qualified HIV Specialist , who will administer counselling first then test your blood. They can go for western blotting test in case of an indeterminate result. Hope this does help in getting correct and scientific knowledge about HIV . kEEP ME POSTED. Dr Matin .A. Khan MBBS, MPH, MMSc (HIV Med) PhD M.A (Sociology) , M.Sc(Psychology), M.Sc(Counselling & Psychotherapy) Fellowship in HIV Medicine (School of Tropical Medicine Kolkata, India) AAHIVS ( American Academy of HIV Medicine USA) Galen Exam for Certificate of Clinical Competence in HIV Medicine from IAPAC USA MGM Medical College , Jamshedpur , India