Hepatitis C virus transmission between eight high-income countries among men who have sex with men: a whole-genome analysis. - Koopsen J; Matthews G; Rockstroh J; Applegate TL; Bhagani S; Rauch A; Grebely J; Sacks-Davis R; Ingiliz P; Boesecke C; Rebers S; Feld J; et al. (The Lancet. Microbe, 2023)