HCV epidemiology in high-risk groups and the risk of reinfection
Keywords: PWID, people who inject drugs; MSM, men who have sex with men; HCV, hepatitis C virus; IDU, injecting drug use; DAA, direct-acting antiviral; PY, person-years; NSP, needle/syringe provision; OST, opioid substitution treatment; HIV, human immunodeficiency