Table 2. Estimated number and proportion of people living with chronic hepatitis B who were unaware of their infection for the general population and key populations, Canada, 2021.

Population	Estimated number of people living with CHB	Proportion who were unaware (%)			Estimated number of people who were unaware			Reference(s)
		Point estimate	Lower bound	Upper bound	Point estimate	Lower bound	Upper bound
General population	262,000	42.5%	33.9%	51.0%	111,000	88,700	134,000	((14,21))
Immigrants from countries where HBV is common (HBsAg ≥2%)	Insufficient information
GBMSM	Insufficient information
People incarcerated in federal prisonsa	Insufficient information
People incarcerated in provincial prisonsb	Insufficient information
PWID	Insufficient information
First Nations	Insufficient information
Inuit	Insufficient information
Métis	Insufficient information

Abbreviations: CHB, chronic hepatitis B; HBsAg, hepatitis B surface antigen; HBV, hepatitis B virus; GBMSM, gay, bisexual and other men who have sex with men; PWID, people who inject drugs

^a Who were sentenced for two years or more

^b Who were sentenced for less than two years