Volume 10, Number 1—January 2004
Research
Influenza Epidemics in the United States, France, and Australia, 1972–19971
Figure 3
![Synchrony in the timing of the peaks of influenza epidemics for 26 influenza years (1972–1997). Correlation between the week of year of the epidemic peak A) in the United States (x axis) and in France (y axis). B, in the United States (x axis) and in Australia (y axis). C, in France (x axis) and in Australia (y axis). Panels b) and c) illustrate the scenario in which the influenza season in Australia is systematically 6 months before that of the United States or France. Similar results are obtai](/eid/images/02-0705-F3.jpg)
Figure 3. Synchrony in the timing of the peaks of influenza epidemics for 26 influenza years (1972–1997). Correlation between the week of year of the epidemic peak A) in the United States (x axis) and in France (y axis). B, in the United States (x axis) and in Australia (y axis). C, in France (x axis) and in Australia (y axis). Panels b) and c) illustrate the scenario in which the influenza season in Australia is systematically 6 months before that of the United States or France. Similar results are obtained for the reverse scenario.
1 This paper was presented at the Emerging Infectious Diseases conference held March 24–27, 2002, in Atlanta, Georgia, USA.
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