A service provided by the BC Centre for Disease Control
Hii madem I done hiv rna pcr after 55 days and I done duo combo test after 76 days and ai done tridot after 90th day both are nagative madem I am safe?

Hi, and thanks for your question.


The window period (the time between when a person comes in contact with a sexually transmitted infection (STI) and when the STI will show up on a test) for HIV testing is 3 months, or 90 days. If you have had a negative HIV antibody test 90 days or more after a high-risk exposure, then this means you do not have HIV from that encounter.


Let us know if this does not answer your question or if you have any more questions or concerns.
Health Nurse

This answer was posted on August 23, 2019

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