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Needle and syringe programmes (NSP) to reduce HIV transmission
Summary of the evidence
NSP programmes were found to be effective in a systematic review (Aspinall et al., 2014), in:
- reducing the transmission of HIV among people who inject drugs (pooled effect size 0.66 (95 % CI 0.43 to -1.01) across all studies, and 0.42 (95 % CI 0.22 to 0.81) across six higher quality studies)