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Fig. 1 | BMC Medical Research Methodology

Fig. 1

From: Comparison of retention in observational cohorts and nested simulated HIV vaccine efficacy trials in the key populations in Uganda

Fig. 1

Study profile for participants screened and enrolled in observational cohorts before SiVET, in the non-SiVET and SiVET cohorts in the key populations, Uganda 2012–2017. *Low HIV risk defined as having protected sex with ≥one or new sexual partner, no history of STIs, non-use of illicit drugs and /or alcohol and not being away from home for ≥2 nights per/week, £HIV counselling and Testing

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BMC Medical Research Methodology

ISSN: 1471-2288

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