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Figure 2 | Journal of the International AIDS Society

Figure 2

From: A Population-Based and Longitudinal Study of Sexual Behavior and Multidrug-Resistant HIV Among Patients in Clinical Care

Figure 2

Distribution and relationship of unprotected sexual events; antiretroviral resistance and partners exposed among 30 patients engaging in sexual risk followed longitudinally in clinical care. Thirty patients engaging in unprotected sex during a cumulative total of 12 months: Cumulative number of unprotected sex events represented in bars, number of unprotected events with resistance (red stripe) and without (solid blue), and total number of partners exposed for all unprotected sex events for each patient (in column below each patient number). Cumulative unprotected sexual events (n = 789; median number of events = 11 [range 1-131]), unprotected sex events with resistance (n = 134), and number of partners exposed (n = 70). Over the 4 three-month time periods, patients had back-and-forth transitions in the viral resistance genotype (eg, from 1-class resistance to 2-class resistance, or back to nondetectable viral load or wild-type virus (as patients received new regimens or were taken off drugs). In addition, some patients moved in and out of unprotected sexual risk during these time periods. Note that 7 patients provided 72% of unprotected risk events (patients 1-7) and 3 patients provided 85% of unprotected sexual risk events with resistant virus.

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