Anonymous
Hello!I I just have some questions to ask.
Recently I am very panic about HIV so I did the rapid HIV test today again after last week. And I got negative result like last time. I am not sure how meaningful it is and I know I need to do the test again. And today I got the blood test sending to the lab as well in the sexual health clinic at Idylwyld road.
I just want to know how the accuracy is for the 2 tests that I have done today (only 4 weeks after high risk action )
And I want to know what can cause the differences of the time that people need to make enough antibodies?
I received the message from the nurse who did the test for me and she said: The rapid test is 99% accurate and the one sent to the lab is 100% accurate for most people at 4 weeks. A small percentage of people need longer to show on the test. The most accurate test is at or after 12 weeks.
But what causes the difference of the time from different people to make antibiotics?
Thank you so much

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Anonymous
Hello,

Thank you for contacting the AIDS Vancouver Helpline! I would like to congratulate you for taking the initiative for your health and well-being by getting tested for HIV.

While there are HIV tests that are considered extremely accurate by 4-6 weeks in time (some are even 95% accurate after 4 weeks in the case of the Rapid Test), the standards for HIV testing set out by the World Health Organization state that all HIV tests are considered conclusive at 84 days or 12 weeks (3 months) after your last high risk exposure. With this said, your tests at 4 weeks are not considered conclusive and a test at 12 weeks is recommended.

With regards to your question about antibodies, the majority are formed within 21-25 days after infection. In some cases, certain groups of people have delayed antibody formations that makes it necessary to get tested at 6 months instead of 3 months. These groups include people who are currently undergoing chemotherapy, are receiving Hepatitis C treatment, have an underlying immunodeficiency, or have taken Post Exposure Prophylaxis (PEP). If you do not fall under these categories, then a test at 12 weeks is conclusive.

AIDS Vancouver still recommends that all sexually active people be tested on a regular basis for all sexually transmitted infections (STIs) including HIV on a schedule that works for them.

Please feel free to contact us if you have any further questions.

In good health,

Tiina, AIDS Vancouver Helpline Volunteer
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