ReviewPublished 12 October 2026Metabolic-epigenetic regulation of the HBV cccDNA reservoir: pathways underpinning viral persistenceQing Peng · Liyuan Hao · Shenghao Li · Fei Yu · Na Li · Fanghang Ye · Xiaoyu HuFrontiers in Microbiologydoi 10.3389/fmicb.2026.1968789