Link to the Show / Show Notes This summary covers the issue of December 3, 2009. Featured are articles on a vaccine regimen to prevent HIV-1 infection in Thailand, management of lung nodules detected by volume CT scanning, abacavir-lamivudine versus tenofovir-emtricitabine for initial HIV-1 therapy, continuous-flow left ventricular assist for advanced heart failure, forecasting the effects of obesity and smoking on U.S. life expectancy, and a look at the low-carbohydrate diet; a review article on mitral-valve repair for mitral-valve prolapse; a Clinical Problem-Solving article describing a crisis in late pregnancy; and Perspective articles on America's safety net and health care reform and on the emergency use authorization of peramivir for treatment of 2009 H1N1 influenza.