The 2022 report on findings of the unlinked anonymous monitoring survey of HIV and viral hepatitis among people who inject drugs contains updates on hepatitis C prevalence, testing uptake and care & treatment.
Unlinked anonymous HIV and viral hepatitis monitoring among PWID: 2017 report

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This report presents an overview of the trends between 2006 and 2016 for HIV, hepatitis B, hepatitis C and risk behaviours from the ongoing Unlinked Anonymous Monitoring Survey, which is targeted at people who inject psychoactive drugs, such as heroin, crack cocaine and amphetamines.