Diphtheria
Figure 1 - Text Equivalent
Incidence rates, per 100,000 population, and annual number of cases of diphtheria, Canada, 1924 – 2008.
In Canada, the annual incidence rate of diphtheria per 100,000 population has decreased from 99 in 1924, to 1 by the mid-1950s, to less than 0.01 after 1990s. There were 0 to 5 cases reported each year since late-1980s.