Frequent Detection of HIV-1 Variants With Mixed Coreceptor Usage Among People Who Inject Drugs Infected With CRF01_AE: Possible Association With Coreceptor Switch. - Maeda Y; Chikata T; Kuwata T; Terasawa H; Van Tran G; Matsushita S; Sawa T; Hasebe F; Takiguchi M (Open forum infectious diseases, 2026)