Syringe Services Programs (SSPs) are harm reduction programs that provide a wide range of services including, but not typically limited to, the provision of new, unused hypodermic needles and syringes and other injection drug use supplies, such as cookers, tourniquets, alcohol wipes, and sharps waste disposal containers, to people who inject drugs. SSPs, initially limited to the exchange of hypodermic needles and syringes and often still called needle or syringe exchange programs, have been present in the United States in some form since the early 1980s. Often illegal due to drug paraphernalia laws – an issue that still exists today – only seven U.S. cities had programs by the end of 1991. According to the Centers for Disease Control and Prevention (CDC), in November 2007, there were 185 SSPs in 36 states, the District of Columbia, and Puerto Rico. As of February 2022, that number has increased to 414 operational SSPs in all 50 states, the District of Columbia, and Puerto Rico, although only 38 states, the District of Columbia, and Puerto Rico either explicitly or implicitly authorize SSPs through statute or regulation. This fact sheet provides readers with an overview of SSPs, including the components that make up a...