Slide 087 Epidemiologic Basis of Tuberculosis Control
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The usual way to display age-specific notification rates is cross-sectionally as shown in this example for males in Finland over a 40-year period.

Every decade tuberculosis notification rates were lower than in the preceding one. In 1954, peak morbidity was reached at age 20 to 24 years. There was no increase beyond this age. Successively over time, and most pronounced in 1984 and 1994, morbidity rates increased steadily with age and were highest in the oldest segments of the population. 

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Last update: September 10, 2010