Facing this reality, many health experts therefore recommend that intravenous drug users be given free injection needles on demand as the best way to protect them against HIV infection.

• 面对这种现实，许多卫生健康专家于是建议，在静脉毒品注射者需要的时候，给他们发放免费注射针头，不失为预防HIV感染的最好的办法。