FIGURE 1-3. Influenza and pneumonia mortality by age (solid line), with influenza morbidity by age (dashed line) superimposed.

FIGURE 1-3

Influenza and pneumonia mortality by age (solid line), with influenza morbidity by age (dashed line) superimposed. Influenza and pneumonia mortality by age as in Figure 1-2. Specific death rate per age group, left ordinal axis. Influenza morbidity presented as ratio of incidence in persons of each group to incidence in persons of all ages (=100), right ordinal axis. Horizontal line at 100 (right ordinal axis) represents average influenza incidence in the total population.

SOURCES: Taubenberger et al. (2001); adapted from Jordan (1927).

From: 1, The Story of Influenza

Cover of The Threat of Pandemic Influenza
The Threat of Pandemic Influenza: Are We Ready? Workshop Summary.
Institute of Medicine (US) Forum on Microbial Threats; Knobler SL, Mack A, Mahmoud A, et al., editors.
Washington (DC): National Academies Press (US); 2005.
Copyright © 2005, National Academy of Sciences.

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