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What Does Negative HIV ELISA Test Post Unprotected Sex Indicate?

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Posted on Wed, 10 Dec 2014
Question: I had a condom slippage exposure and i did HIV elisa test in 6 weeks and 10 weeks both were negative .Could you please tell me what are the chances of changing my results when i do my 13th week test
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Answered by Dr. Shoaib Khan (3 hours later)
Brief Answer:
ELISA results cannot be predicted accurately yet

Detailed Answer:
Hello sir and welcome.

Thank you for writing to us.

I have gone through your query with diligence and would like you to know that I am here to help. Investigations like HIV ELISA provide most accurate results at 3 months, 6 months and 9 months (approximately); and so we cannot be sure until the test is conducted at 6-9 months since the exposure to HIV.

In my opinion, a more accurate and earlier investigation would be the HIV DUO test that can be used to test HIV 28 days since the suspected exposure to HIV. This test is 98.9 % accurate, and gets more and more accurate with passing time. Please discuss this option with your doctor as well.

I hope you find my response both helpful and informative. Please feel free to write back to me for any further clarifications, I would be more than happy to help you.

Best wishes sir.
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Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Shoaib Khan

General & Family Physician

Practicing since :2009

Answered : 9409 Questions

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What Does Negative HIV ELISA Test Post Unprotected Sex Indicate?

Brief Answer: ELISA results cannot be predicted accurately yet Detailed Answer: Hello sir and welcome. Thank you for writing to us. I have gone through your query with diligence and would like you to know that I am here to help. Investigations like HIV ELISA provide most accurate results at 3 months, 6 months and 9 months (approximately); and so we cannot be sure until the test is conducted at 6-9 months since the exposure to HIV. In my opinion, a more accurate and earlier investigation would be the HIV DUO test that can be used to test HIV 28 days since the suspected exposure to HIV. This test is 98.9 % accurate, and gets more and more accurate with passing time. Please discuss this option with your doctor as well. I hope you find my response both helpful and informative. Please feel free to write back to me for any further clarifications, I would be more than happy to help you. Best wishes sir.