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We measured HIV incidence rate, trend and risk factors in 564 HIV-negative young people (< 30 years) who inject drugs (PWID) in San Francisco between 2000 and 2014. HIV incidence was 0.93/100 person-years (PY; 95% CI 0.50, 1.73). Incidence varied between 0.62/100 PY in 2000–2002 and 1.06/100 PY in 2012–2014 (P for trend = 1.0). HIV incidence varied significantly (P < 0.01) by race/ethnicity:...
Objectives
Here we examined the hypothesis that some stable HIV‐infected partnerships can be found in cohort studies, as the patients frequently attend the clinic visits together.
Methods
Using mathematical approximations and shuffling to derive the probabilities of sharing a given number of visits by chance, we identified and validated couples that may represent either transmission pairs or serosorting...
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