There he learned that the government had stepped up its drug interdiction efforts in recent years, making pharmacies a focus of its monitoring. Consequently, many IDUs no longer dared to buy needles from pharmacies, and instead were sharing needles much more frequently.
顏純左說，「以市場機制來看，顯然是供給面有問題，」近年政府加強查緝毒品，並把藥局列入監視重點後，許多人不敢到藥局購買針具，與他人共用針具的機率也大大提升。