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

Caterina Rizzo, Antonio Bella, Cecile Viboud, Lone Simonsen, Mark Miller, Maria Cristina Rota, Stefania Salmaso, Marta Luisa Ciofi degli Atti

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Resumé

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.
OriginalsprogEngelsk
TidsskriftEmerging Infectious Diseases
Vol/bind13
Udgave nummer5
Sider (fra-til)694-699
ISSN1080-6040
StatusUdgivet - 2007

Citer dette

Rizzo, C., Bella, A., Viboud, C., Simonsen, L., Miller, M., Rota, M. C., ... degli Atti, M. L. C. (2007). Trends for influenza-related deaths during pandemic and epidemic seasons, Italy, 1969-2001. Emerging Infectious Diseases , 13(5), 694-699.
Rizzo, Caterina ; Bella, Antonio ; Viboud, Cecile ; Simonsen, Lone ; Miller, Mark ; Rota, Maria Cristina ; Salmaso, Stefania ; degli Atti, Marta Luisa Ciofi. / Trends for influenza-related deaths during pandemic and epidemic seasons, Italy, 1969-2001. I: Emerging Infectious Diseases . 2007 ; Bind 13, Nr. 5. s. 694-699.
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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.",
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author = "Caterina Rizzo and Antonio Bella and Cecile Viboud and Lone Simonsen and Mark Miller and Rota, {Maria Cristina} and Stefania Salmaso and {degli Atti}, {Marta Luisa Ciofi}",
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Rizzo, C, Bella, A, Viboud, C, Simonsen, L, Miller, M, Rota, MC, Salmaso, S & degli Atti, MLC 2007, 'Trends for influenza-related deaths during pandemic and epidemic seasons, Italy, 1969-2001', Emerging Infectious Diseases , bind 13, nr. 5, s. 694-699.

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

I: Emerging Infectious Diseases , Bind 13, Nr. 5, 2007, s. 694-699.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - Trends for influenza-related deaths during pandemic and epidemic seasons, Italy, 1969-2001

AU - Rizzo, Caterina

AU - Bella, Antonio

AU - Viboud, Cecile

AU - Simonsen, Lone

AU - Miller, Mark

AU - Rota, Maria Cristina

AU - Salmaso, Stefania

AU - degli Atti, Marta Luisa Ciofi

PY - 2007

Y1 - 2007

N2 - 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.

AB - 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.

KW - pandemic season

KW - geographic trend

KW - influenza

KW - Excess mortality

KW - research

M3 - Journal article

VL - 13

SP - 694

EP - 699

JO - Emerging Infectious Diseases

JF - Emerging Infectious Diseases

SN - 1080-6040

IS - 5

ER -