Most syringes come in measures of 30-units or 0.3 milliliters (ml), 50 units (0.5 ml), and 100 units (1 ml). These measures refer to the barrel size and how much insulin the syringe can hold.

News Alabama 1 of 6 states with no needle exchange, has nation’s highest opioid rate Published: Apr. 26, 2022, 2:56 p.m.

Needle sharing is the second biggest risk for HIV, after anal sex. About 1 in 10 new HIV infections happen in people who inject drugs. How Needle Sharing Exposes You to HIV ...