High coverage needle/syringe programs for people who inject drugs in low and middle income countries: a systematic review

Table 2 Summary of National Surveillance Data of HIV Biomarkers

Country Report Information			Coverage	Pre Implementation and Expansion		Post Implementation and Expansion
Investigators	Location	Surveillance Method	Syringes per PWID/Year¹	Year	Baseline HIV cases (n)	Year	Follow-up²HIV cases (n) (Percent Change)
CDC 2007 [32]	Iran	National Surveillance Data	4-41	2003	2332	2007	426 (82%)
Astrauskiene 2010 [33]	Lithuania	National Surveillance Data	56-98	2005	85	2009	117 (+38%)
CDC 2010 [34]	Taiwan	National Surveillance Data	7-67	2006	1693	2010	114 (93%)
Hammett 2010 [35]	Vietnam	National Surveillance Data	9-52	2005	11358	2009	7947 (30%)

1. Syringes per PWID/Year are given as a range based on the first and last date of data collection in respective study.
2. Post Implementation columns include follow-up biomarker information in addition to the difference from baseline to follow-up.

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