What percentage of new hepatitis C virus (HCV) infections are caused by IV and intranasal drug use?

Updated: Jun 12, 2017
  • Author: Naga Swetha Samji, MD; Chief Editor: BS Anand, MD  more...
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Transmission via intravenous and intranasal drug use

IDU remains an important mode of transmitting HCV. The use of intravenous (IV) drugs and the sharing of paraphernalia used in the intranasal snorting of cocaine and heroin account for approximately 60% of new cases of HCV infection. More than 90% of patients with a history of IDU have been exposed to HCV.

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