*From the Beth Israel Medical Center, the Harlem Hospital Center, New York, the †National Jewish Center for Immunology and Respiratory Disease, Denver, Colorado, the ‡School of Public Health, University of Minnesota, Minneapolis, Minnesota, the §Division of Infectious Diseases, SUNY Health Science Center at Brooklyn, Brooklyn, the ‖Bronx-Lebanon Hospital Center, Bronx, the ¶AIDS Center, St. Vincent's Hospital, the **Tuberculosis Center, Public Health Research Institute, New York, the ††Section of Molecular Pathobiology, Department of Pathology, Baylor College of Medicine and The Methodist Hospital, Houston, Texas and the ‡‡Division of AIDS, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland, USA. §§See Appendix.
Note: Presented in part at the 35th Interscience Conference on Antimicrobial Chemotherapy, San Francisco, September 1995.
Sponsorship: This study was supported by the AIDS Clinical Trials Group of the National Institute of Allergy and Infectious Diseases and by grant Al-37004 (to J.M.M.).
Requests for reprints to: Dr David C. Perlman, Beth Israel Medical Center, First Avenue at 16th Street, New York NY 10003, USA.
Date of receipt: 25 February 1997; revised: 11 June 1997; accepted: 19 June 1997.
