<p>*Nine (2.5%) patients were excluded from this table because they reported that their source contact was HIV-negative or because data about their source contact was missing.</p>†<p>Four (1%) patients reported that his/her contact was HIV negative: one reported a regular source contact, one reported an anonymous source contact, and data for source contact type was missing for two of these patients.</p>‡<p>Information about source contact was missing for five (1.5%) patients.</p