You are correct that you should retest at 90 days for the most accurate HIV test result. While the HIV CMIA tests you received at 32, 42, and 56 days were negative, the accuracy of these tests is lower than the accuracy of the 90-day test. Here's a breakdown of the accuracy of the HIV CMIA test at different time points:
- 32 days: 91% accurate
- 42 days: 95% accurate
- 56 days: 98% accurate
- 90 days: 99% accurate
As you can see, the accuracy of the test increases over time as the amount of HIV virus in your blood increases. This is why the Centers for Disease Control and Prevention (CDC) recommends waiting at least 3 months (90 days) after a potential exposure to HIV before getting tested. This ensures that the test is as accurate as possible and can reliably detect HIV infection if it is present.
Here are some additional resources that you may find helpful:
- The CDC's website on HIV testing: https://www.cdc.gov/hiv/testing/
- The National HIV/AIDS Hotline: 1-800-HIV-0443
I hope this information is helpful. Please let me know if you have any other questions.
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