Hepatitis in Canada: 2017 surveillance data
The Public Health Agency of Canada collects information on reported cases of hepatitis B and hepatitis C infection through the Canadian Notifiable Diseases Surveillance System (CNDSS).
- In 2017, 4,905 cases of hepatitis B were reported in Canada:
- 192 acute cases (corresponding to a rate of 0.5 per 100,000 people)
- 4,086 chronic cases (corresponding to a rate of 11.4 per 100,000 people)
- 627 unspecified cases
- 2017 had similar case numbers of hepatitis B as 2016, when 4,985 cases were reported.
- Rates of reported acute hepatitis B cases have been stable from 2013 to 2017.
- There were between 152 and 192 acute cases reported per year in this time period.
- The corresponding average rate was 0.5 per 100,000 people.
- Male rates of reported acute hepatitis B cases were higher than female rates between 2013 and 2017.
- The average male rate was 0.69 per 100,000 people while the average female rate was 0.32 per 100,000 people.
- In 2017, rates of reported chronic hepatitis B cases above the national Canadian rate of 11.4 per 100,000 people were found in:
- British Columbia (21.7)
- Alberta (12.6)
- the Yukon (12.6)
- Ontario (12.5)
- In 2017, rates of reported chronic hepatitis B cases below the national rate were reported in:
- Manitoba (9.7)
- Saskatchewan (8.9)
- New Brunswick (5.7)
- Quebec (5.1)
- Nova Scotia (1.9)
- Newfoundland and Labrador, the Northwest Territories, Nunavut and Prince Edward Island did not report on chronic hepatitis B in 2017.
- In 2017, 11,592 cases of hepatitis C were reported in Canada.
- The average Canadian rate of reported hepatitis C cases over 2008-2017 was 31.1 per 100,000 people.
- Male rates were higher than female rates between 2008 and 2017.
- The corresponding average rates were 39.4 per 100,000 people for males and 22.6 per 100,000 people for females.
- Reported rates of hepatitis C have been increasing slightly in recent years, from 29.5 per 100,000 in 2013 to 31.7 per 100,000 people in 2017.
- The age group with the highest rate increase over 2013-2017 was the 25 to 29 year olds, for both males and females.
- In 2017, 44% of reported hepatitis C cases were found among 20-39 year olds.
- One-third (34%) of cases were found among those age 40-59 years while 20% of cases were reported in 60+ years.
- Cases less than 20 years old accounted for 2% of all reported hepatitis C.
- In 2017, rates of reported hepatitis C cases above the national Canadian rate of 31.7 per 100,000 people were found in:
- Saskatchewan (61.7)
- British Columbia (46.5)
- Manitoba (46.1)
- Yukon (45.4)
- Alberta (34.8)
- Newfoundland and Labrador (33.5)
- Ontario (33.4)
- New Brunswick (32.2)
- In 2017, rates of reported hepatitis C cases below the national rate were reported in:
- Nova Scotia (30.9)
- Prince Edward Island (24.6)
- the Northwest Territories (13.4)
- Quebec (12.3)
- Nunavut did not report on hepatitis C in 2017.
These data only represent diagnosed and reported cases of HepB and HepC for these years of interest. They are an underestimation of the true burden of the infections.
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