title: Reply
authors.affiliation: 1Centre for Immunology and 2HIV Medicine Unit, St. Vincent's Hospital, and 3National Centre in HIV Epidemiology and Clinical Research, University of New South Wales, Darlinghurst, Australia. Reprints or correspondence: Dr. John Zaunders,
authors.initials: JJ
authors.lastname: Zaunders
authors.initials: PH
authors.lastname: Cunningham
authors.initials: GR
authors.lastname: Kaufmann
authors.initials: DA
authors.lastname: Cooper