As the HIV/AIDS epidemic continues to increase the vulnerability of children, the symposium Children and HIV/AIDS: Action Now, Action How is an urgent call to collective action on behalf of children affected by AIDS. The symposium, jointly hosted by CCABA, The Teresa Group and La Casa de la Sal, will provide a two-day forum on August 1st and 2nd, 2008 at the Hotel Nikko M?xico for information sharing, collaboration and networking in order to strengthen the response to children?s needs.