Our expert says:
The Quest lab test will be more accurate than the home test results. Because the risky exposure was more than a year ago, the Quest lab test should be sufficient. If she wants to be sure she can go for another lab blood test, to confirm. The explanation for the mixed results is that the home self-tests are more sensitive and less specific. So they may have false-positive results, meaning that they might test some people positive even if they are not HIV positive. This is why I will recommend confirming the negative diagnosis with a blood test, in her case. Good luck.
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