[Introduction of the key update points of the 2025 Canadian Association for the Study of the Liver guideline for the management of chronic hepatitis B].

The Canadian Association for the Study of the Liver and Association of Medical Microbiology and Infectious Disease Canada developed jointly the 2025 guidelines for the management of chronic hepatitis B in May 2025. The guidelines updated recommendations for universal adult HBV screening, vaccination, laboratory assessment, treatment, patient-centered care, early diagnosis, expanding antiviral treatment. Notably, the guidelines recommend reflex HDV testing and routine use of quantitative HBsAg for the decision of HBV management.