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Screening for hepatitis C among injecting drug users and in genitourinary medicine clinics: systematic reviews of effectiveness, modelling study and national survey of current practice.

CRD summary The review assessed whether gaining knowledge of hepatitis C virus (HCV) status through screening leads to behavioural changes among infected or uninfected people that may reduce the spread of HCV. The authors concluded that there was no strong evidence of a relationship between gaining knowledge and drugor sex-related risky behaviours. The authors' conclusions are likely to be reliable.