HIV and AIDS
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Hello from JustAnswer. This is Dr. Love.
The CDC recommends regular testing for all adults, even adults that only engage in low risk or protected intercourse. For most people, annual testing is appropriate. However, for people that regularly engage in higher risk sexual activity, particularly men that have sex with men, testing every 3-6 months would be appropriate. People that are certain that they are in a mutually monogamous relationship may opt out of routine testing.
There is a window period during which the test cannot detect HIV, but that does not alter the above recommended regular testing frequency. It can take up to 12 weeks/3 months for the HIV test to be accurate, although the HIV test will detect about 95% of cases within 4 weeks. But this window period was considered when the CDC made the recommendation for routine testing. The window period is only a consideration when we have to perform testing after a specific exposure, including when PEP is prescribed.
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