The context of HIV risk behaviours among HIV-positive injection drug users in Viet Nam: moving toward effective harm reduction.

BMC Public Health · 2009 · PMC2676271 · PMID 19348681

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a decreasing trendno p-value reported

Later observations indicated a decreasing trend, with HIV prevalence among IDUs of 54% in Quang Ninh, 46% in Hai Phong and 24% in Ha Noi in 2006.

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