Progress in prevention and treatment is faltering around the world, putting millions of people in grave danger. Eastern Europe and central Asia, Latin America, and the Middle East and North Africa have all seen increases in annual HIV infections over several years. In Asia and the Pacific, UNAIDS data now show new HIV infections are rising where they had been falling. Action to tackle the inequalities driving AIDS is urgently required to prevent millions of new HIV infections this decade and to end the AIDS pandemic