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Single copies of this article will be available free until June 7,1992, from the National AIDS Information Clearinghouse, P.O. Box 6003, Rockville, MD 20850; telephone (800) 458-5231.
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As of December 31, 1990, a total of 26 520 cases had been officially reported to CDC. Through May 10, 1991, CDC's Division of Immunization, Center for Prevention Services, had received reports of 1152 additional cases reported to have occurred in 1990, for a provisional total of 27 672 cases. The final total may differ slightly.
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