What is the recommended frequency for rescreening groups at very high risk for HIV infection?

The recommended frequency for rescreening groups at very high risk for HIV infection is annually. This recommendation is based on the understanding that individuals at high risk, such as those with multiple sexual partners, those involved in injection drug use, or individuals with a partner who is HIV positive, may have higher rates of new infections.

Annual rescreening targets the need for timely identification and treatment of new infections, which is essential to reduce transmission within the community. The goal is to ensure that high-risk individuals are consistently aware of their HIV status, can receive appropriate preventive measures such as PrEP (pre-exposure prophylaxis), and can access care and treatment if they are found to be HIV positive.

In contrast, less frequent rescreening intervals such as every 2, 3 years, or 6 months do not align with the urgency that comes with managing high-risk populations effectively, where the potential for new infections is significant. Hence, the annual screening recommendation is designed to closely monitor and manage the risk factors prevalent in these groups.