There are three man types of hepatitis ??? A, B and C ??? in Canada, with approximately 500 million people worldwide infected with the disease, or one in 12. ???World Hepatitis Alliance is the main driving force of World Hepatitis Day, and one of their main slogans is one in 12,??? said Densmore. ???In Canada, it???s estimated that 550,000 have viral hepatitis, with 300,000 having hepatitis C.???