If a person does not test POS for HIV 3 months after an exposure, then they did not contract HIV
. The ONLY exception to this is people who
have literally NO immune system who
may take longer to produce antibodies. This would include an extremely small portion of the population, and would include situations such as....a person taking anti-rejection meds post an organ transplant, a person on aggressive chemotherapy, or a person with terminal, end stage cancer, again...