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Preliminary inferences on the age-specific seriousness of human disease caused by avian influenza A(H7N9) infections in China, March to April 2013

  • B. J. Cowling
  • , G. Freeman
  • , J. Y. Wong
  • , P. Wu
  • , Q. Liao
  • , E. H. Lau
  • , J. T. Wu
  • , R. Fielding
  • , G. M. Leung

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)

Abstract

Between 31 March and 21 April 2013, 102 laboratory-confirmed influenza A(H7N9) infections have been reported in six provinces of China. Using survey data on age-specific rates of exposure to live poultry in China, we estimated that risk of serious illness after infection is 5.1 times higher in persons 65 years and older versus younger ages. Our results suggest that many unidentified mild influenza A(H7N9) infections may have occurred, with a lower bound of 210-550 infections to date.

Original languageEnglish
JournalEurosurveillance
Volume18
Issue number19
Publication statusPublished - 2013
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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