Impact of Influenza Vaccination on Seasonal Mortality in the US Elderly Population | Zendy

Lone Simonsen | Zendy; Thomas A. Reichert | Zendy; Cécile Viboud | Zendy; William C. Blackwelder | Zendy; Robert J. Taylor | Zendy; Mark A. Miller | Zendy

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Impact of Influenza Vaccination on Seasonal Mortality in the US Elderly Population

Author(s) -

Lone Simonsen,

Thomas A. Reichert,

Cécile Viboud,

William C. Blackwelder,

Robert J. Taylor,

Mark A. Miller

Publication year - 2005

Publication title -

archives of internal medicine

Language(s) - English

Resource type - Journals

eISSN - 1538-3679

pISSN - 0003-9926

DOI - 10.1001/archinte.165.3.265

Subject(s) - vaccination , demography , mortality rate , excess mortality , medicine , pandemic , population , observational study , covid-19 , environmental health , immunology , disease , infectious disease (medical specialty) , sociology

Observational studies report that influenza vaccination reduces winter mortality risk from any cause by 50% among the elderly. Influenza vaccination coverage among elderly persons (> or =65 years) in the United States increased from between 15% and 20% before 1980 to 65% in 2001. Unexpectedly, estimates of influenza-related mortality in this age group also increased during this period. We tried to reconcile these conflicting findings by adjusting excess mortality estimates for aging and increased circulation of influenza A(H3N2) viruses.

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