Thank you for your inquiry. From what we gather from the question, you were asking about the accuracy of the NAAT PCR RNA Test ("Early Test") following an exposure involving protected vaginal sex as well as vaginal fingering. From the information given, this scenario is determined to be Low Risk (evidence of transmission occurs through these activities when certain conditions are met).
The scenario mentioned above does meet the three components of the HIV transmission equation (see image below) which postulates that HIV transmission requires a bodily fluid (e.g. vaginal fluid) to have direct access to one's bloodstream (e.g. urethra in the penis) through a High/Low/Negligible Risk activity.
You were very responsible to get testing done following this exposure. The NAAT PCR RNA Test ("Early Test") that you had done has a good degree of accuracy in the period that you had the test taken, however it is most accurate at/after 12 weeks from the initial exposure. Therefore, I advise you to get a follow-up test done at this time to confirm your status.
Recommendation: Refer to a health care provider for HIV testing.Kind regards,
AIDS Vancouver Online/Helpline, Shirley
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