Association of Illicit Fentanyl Use with Injection Risk Practices Among People who Inject Drugs

Participants who injected fentanyl daily shared syringes more often than those not injecting fentanyl. Participants who injected fentanyl daily and less than daily shared cookers more often than those not injecting fentanyl. Participants who injected fentanyl daily and less than daily shared filters more often than those not injecting fentanyl. No differences in probabilities of sharing equipment were detected between participants who injected fentanyl daily and less than daily. People using fentanyl reported injection practices that increased risk for infectious disease transmission.