Trends for influenza-related deaths during pandemic and epidemic seasons, Italy, 1969-2001

Caterina Rizzo, Antonino Bella, Cécile Viboud, Lone Simonsen, Mark A. Miller, Maria Cristina Rota, Stefania Salmaso, Marta Luisa Ciofi Degli Atti

Research output: Contribution to journalArticle

Abstract

Age-specific patterns of death from influenza vary, depending on whether the influenza season is epidemic or pandemic. We assessed age patterns and geographic trends in monthly influenza-related deaths in Italy from 1969 through 2001, focusing on differences between epidemic and pandemic seasons. We evaluated age-standardized excess deaths from pneumonia and influenza and from all causes, using a modified version of a cyclical Serfling model. Excess deaths were highest for elderly persons in all seasons except the influenza A (H3N2) pandemic season (1969-70), when rates were greater for younger persons, confirming a shift toward death of younger persons during pandemic seasons. When comparing northern, central, and southern Italy, we found a high level of synchrony in the amplitude of peaks of influenza-related deaths.

Original languageEnglish
Pages (from-to)694-699
Number of pages6
JournalEmerging Infectious Diseases
Volume13
Issue number5
Publication statusPublished - May 2007

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Pandemics
Human Influenza
Italy
Pneumonia

ASJC Scopus subject areas

  • Microbiology (medical)

Cite this

Rizzo, C., Bella, A., Viboud, C., Simonsen, L., Miller, M. A., Rota, M. C., ... Ciofi Degli Atti, M. L. (2007). Trends for influenza-related deaths during pandemic and epidemic seasons, Italy, 1969-2001. Emerging Infectious Diseases, 13(5), 694-699.

Trends for influenza-related deaths during pandemic and epidemic seasons, Italy, 1969-2001. / Rizzo, Caterina; Bella, Antonino; Viboud, Cécile; Simonsen, Lone; Miller, Mark A.; Rota, Maria Cristina; Salmaso, Stefania; Ciofi Degli Atti, Marta Luisa.

In: Emerging Infectious Diseases, Vol. 13, No. 5, 05.2007, p. 694-699.

Research output: Contribution to journalArticle

Rizzo, C, Bella, A, Viboud, C, Simonsen, L, Miller, MA, Rota, MC, Salmaso, S & Ciofi Degli Atti, ML 2007, 'Trends for influenza-related deaths during pandemic and epidemic seasons, Italy, 1969-2001', Emerging Infectious Diseases, vol. 13, no. 5, pp. 694-699.
Rizzo C, Bella A, Viboud C, Simonsen L, Miller MA, Rota MC et al. Trends for influenza-related deaths during pandemic and epidemic seasons, Italy, 1969-2001. Emerging Infectious Diseases. 2007 May;13(5):694-699.
Rizzo, Caterina ; Bella, Antonino ; Viboud, Cécile ; Simonsen, Lone ; Miller, Mark A. ; Rota, Maria Cristina ; Salmaso, Stefania ; Ciofi Degli Atti, Marta Luisa. / Trends for influenza-related deaths during pandemic and epidemic seasons, Italy, 1969-2001. In: Emerging Infectious Diseases. 2007 ; Vol. 13, No. 5. pp. 694-699.
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