From the report:

Current CDC guidelines identify MSM who should be tested more frequently according to their risk behaviors. However, among MSM in this analysis, those who had high-risk behaviors were not more likely to be newly infected than those without high-risk behaviors, suggesting that self-reported risk behaviors might not determine which MSM should be tested more frequently. The 7% prevalence of new HIV infection detected through NHBS among MSM who had been tested for HIV during the past year and the similar prevalence of new HIV infection among MSM with and without high-risk behaviors suggests that more frequent testing, perhaps as often as every 3 to 6 months, might be warranted among all sexually active MSM, regardless of their risk behaviors.

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