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Text Equivalent - Measles Figure 1

Figure 1 Incidence rate (per 1,000,000 population) of measles, by year, 1924 to 2011, and year of vaccine introduction in Canada

Before the introduction of measles vaccine in 1963 to 1964, measles incidence followed a cyclical pattern, with peaks every 2 to 3 years. Since the introduction of vaccine, the incidence has decreased considerably. Further decreases were seen following the introduction of routine 1-dose measles-mumps-rubella vaccine in 1983 and the introduction of routine 2-dose measles-mumps-rubella vaccine in 1996 to 1997 in the provinces and territories. The incidence rate decreased from 3,800 cases per 1,000,000 population from 1924 to 1958 to 68 cases per 1,000,000 population from 1984 to 2011. Note: measles was not nationally notifiable between 1959 and 1968.

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