This paper looks at the social contexts within which needle sharing to
ok place among a sample of Glasgow injectors. The intention is to show
that needle sharing is rarely random but instead highly patterned and
influenced by circumstance and social relationships. Gender can also
be seen to have an important influence on sharing patterns. Considerat
ion of the reported instances of needle sharing provides some indicati
on that women injectors may be at increased risk of HIV transmission r
elative to their male counterparts.