November 26, 1999
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and Prevention Jeffrey P. Koplan, M.D., M.P.H.
Acting Deputy Director for Science and Public Health, Centers for Disease Control and Prevention
Stephen M. Ostroff, M.D.
Epidemiology Program Office Barbara R. Holloway, M.P.H.
Editor, MMWR Series John W. Ward, M.D.
Managing Editor, MMWR (weekly)
Karen L. Foster, M.A.
Writers-Editors, MMWR (weekly) Jill Crane David C. Johnson Teresa F. Rutledge Caran R. Wilbanks
Desktop Publishing Morie M. Higgins Peter M. Jenkins
✩U.S. Government Printing Office: 2000-533-206/08036 Region IV