LvPS 4, 5 POLICY RESEARCH WORKING PAPER 2940 The Potential Demand for an HIV/AIDS Vaccine in Brazil Hillegonda Maria Duttilb Novaes Expedito J. A. Luna Moises Goldbaum Samuel Kilsztajn Anaclaudia Rossbach Jose' de la Rocha Carvalheiro The World Bank Development Research Group Public Services December 2002 Public Disclosure Authorized Public Disclosure Authorized Public Disclosure Authorized Public Disclosure Authorized