Updated March 10, 2016

Hepatitis A is an acute, self-limited liver infection caused by the Hepatitis A Virus (HAV). The virus has a worldwide distribution and is endemic in Central and South America, Africa, India, the Middle East, and Asia.

Seroprevalence rates for HAV are low in Canada. In Ontario, overall incidence of HAV has declined since 2002. In 2013, there were 31 cases reported to Toronto Public Health, with an incidence of 1.3 cases per 100 000 persons. The majority of infections (62%) occurred in males.