Journal article
Estimation of influenza vaccine effectiveness from routine surveillance data
H Kelly, K Carville, K Grant, P Jacoby, T Tran, I Barr
Plos One | PUBLIC LIBRARY SCIENCE | Published : 2009
Abstract
Background: Influenza vaccines are reviewed each year, and often changed, in an effort to maintain their effectiveness against drifted influenza viruses. There is however no regular review of influenza vaccine effectiveness during, or at the end of, Australian influenza seasons. It is possible to use a case control method to estimate vaccine effectiveness from surveillance data when all patients in a surveillance system are tested for influenza and their vaccination status is known. Methodology/Principal Findings: Influenza-like illness (ILI) surveillance is conducted during the influenza season in sentinel general practices scattered throughout Victoria, Australia. Over five seasons 2003-7,..
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Funding Acknowledgements
This study was conducted as part of routine work funded in part by the Victorian Government Department of Human Services. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. The Melbourne WHO Collaborating Centre for Reference and Research on Influenza is supported by the Australian Government Department of Health and Ageing. The sentinel influenza surveillance program receives support from the Victorian Department of Human Services.