Fig. 1From: Burden and characteristics of HIV infection among female sex workers in Kampala, Uganda – a respondent-driven sampling surveyDiagram of the recruitment chains produced by yEd software (version 3.10.2). For the 949 nodes (FSW), 323 had a positive HIV test result (red square), 619 had a negative result (blue triangle), and 7 had a missing value (black circle)Back to article page