Emerging Trends in HIV-1 Sub-Subtype A6 in Belgium: Transmission Dynamics, Drug Resistance, and Subtyping Tool Evaluation. - Mortier V; Debaisieux L; De Geyter D; Delforge ML; Depypere M; Dessilly G; Kabamba-Mukadi B; El Moussaoui K; Mzougui S; Serrien B; Stoffels K; Van Beckhoven D; et al. (Viruses, 2026)