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Kaplan-Meier analysis of seroconversion in the Pumwani Sex Worker Cohort. (A) Women with A*01:01 were significantly less likely to seroconvert than individuals without A*01. Solid line, with A*01; dashed line, without A*01. (B) Women with B*07:02 were significantly more likely to seroconvert than individuals without B*07:02. Solid line, with B*07:02; dashed line, without B*07:02.
