"High-Impact HIV Prevention" is the focus of CDC's upcoming Public Health Grand Rounds, which will be held next Tuesday, August 21, at 1 p.m. (EDT). CDC's Public Health Grand Rounds is a monthly webcast created to foster discussion on major public health issues. Each session focuses on key challenges related to a specific health topic and explores cutting-edge scientific evidence and potential impact of different interventions. Next Tuesday's session will include discussion of the science behind high-impact HIV prevention, new directions in monitoring the burden of HIV, and resource allocation modeling of HIV prevention interventions.