Drugs (2) Rates (2) mise sous écran protecteur (1) risque (1) association (1) minorité (1) anticorps (1) infection (1) logement (1) danger (1) âge (1) méthode (1) prescription (1) abords (agglomération) (1) taux (1) Drug use (1) Housing (1) Testing (1) Treatment (1) Care (1) Prevention (1) Diseases (1) Discovery and exploration (1) Methods (1) Interviews (1) Comorbidity (1) Hepatitis C virus (1) Needle exchange programs (1) Rates (1) Weights and measures (1)