Volume 10, Number 1, January 2004

Influenza Epidemics in the United States, France, and Australia, 1972–1997

Cécile Viboud,*† Pierre-Yves Boëlle,*‡ Khashayar Pakdaman,* Fabrice Carrat,*‡ Alain-Jacques Valleron,*‡ Antoine Flahault*†‡
*Institute National de la Santé et de la Recherche Médicale, Paris, France; †World Health Organization Collaborating Center for Electronic Diseases Surveillance, Paris, France; and ‡Hôpitaux de Paris, CHU Saint-Antoine, Paris, France

Figure 1. Weekly number of influenza and pneumonia deaths per 100,000 population from January 1972 to December 1997 in the United States, France, and Australia (black line). The red line represents the epidemic threshold defined by a seasonal regression.

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This page last reviewed December 3, 2003

Emerging Infectious Diseases Journal
National Center for Infectious Diseases
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