Following up on : Clean-Cut: Study Finds Circumcision Helps Prevent HIV and Other Infections: Scientific American There still remains: Obstacles Slow an Easy Way to Prevent H.I.V. in Men Data points: Circumcision, which cuts mens risk of infection by 60 percent or more, has been urged by health authorities since 2007. the most obvious, most cost-effective intervention we could use to dramatically change the course of H.I.V. in the near future. cost about $2 billion, but would save $16.5 billion by preventing four million infections and their lifelong treatment costs. mass circumcision events, often held in vacation weeks, tens of thousands are performed two plastic devices being tested in clinical trials, which allow simpler and faster circumcisions without doctors, will speed adoption on a continent where health workers are scarce. Fascinating a circumcision without doctors and no anesthesia. Win win.