Arum, C; Fraser, H; Artenie, AA; Bivegete, S; Trickey, A; Alary, M; Astemborski, J; ... Homelessness, HIV, and HCV Review Collaborative Group; + view all Arum, C; Fraser, H; Artenie, AA; Bivegete, S; Trickey, A; Alary, M; Astemborski, J; Iversen, J; Lim, AG; MacGregor, L; Morris, M; Ong, JJ; Platt, L; Sack-Davis, R; van Santen, DK; Solomon, SS; Sypsa, V; Valencia, J; Van Den Boom, W; Walker, JG; Ward, Z; Stone, J; Vickerman, P; Homelessness, HIV, and HCV Review Collaborative Group; - view fewer (2021) Homelessness, unstable housing, and risk of HIV and hepatitis C virus acquisition among people who inject drugs: a systematic review and meta-analysis. The Lancet Public Health , 6 (5) e309-e323. 10.1016/S2468-2667(21)00013-X.