1980 The global eradication of smallpox is certified by a commission of eminent scientists and endorsed by the World Health Assembly.
1982 Hepatitis B vaccine available in Canada; school-based programs began in 1987. At its peak prior to widespread immunization, there were 3,000 cases per year; in 2004 there were 829 cases.
1983 MMR (measles, mumps, rubella) immunization program introduced for all infants. Rubella cases went from approximately 5,300 per year between 1971 and 1982 to fewer than 30 cases per year between 1988 and 1994.
1983 Pneumococcal polysaccharide vaccine is approved for use in Canada.
1988 Hib (Haemophilus influenzae) vaccine introduced in Canada. Prior to routine immunization, there were 526 cases per year in children under 5; in 2004, there were 17 cases in this age group.