Participants in HIV Study: Correction.

In the footnotes for table 1 ([p. 1857][1]) in our report “Genetic restriction of HIV-1 infection and progression to AIDS by a deletion allele of the CKR5 structural gene” ([27 Sept., p. 1856][1]) ([1][2]), we neglected to identify 63 patients who were intravenous drug users enrolled in a New