(Syringe sharing) may be associated with risk of infection.Logical formLearned from2 sentences. Incidence may be attributed to (syringe access programs).Logical formLearned from2 sentences. (Syringe access programs) may play a role.Logical formLearned from2 sentences. A syringe may pertain-to someone.Logical formLearned from2 sentences. Reductions can be in a frequency of (syringe sharing).Logical formLearned from2 sentences. (Syringe sharing) can be among users.Logical formLearned from2 sentences. A study may track a use of syringes.Logical formLearned from2 sentences. Results can be constituted-of-or-filled-with (syringe exchange).Logical formLearned from2 sentences. (Syringe exchanges) can be mobile.Logical formLearned from2 sentences. A debate may surround a distribution of syringes.Logical formLearned from2 sentences. Some percent of some cases of infection can be attributable to syringe.Logical formLearned from2 sentences. (Blood samples) can be from syringes.Logical formLearned from2 sentences. Syringes may be used by (injection drug users).Logical formLearned from2 sentences. Syringes may undergo an introduction.Logical formLearned from2 sentences. A nurse may count syringes.Logical formLearned from2 sentences.