Abstract
To evaluate seasonal trivalent inactivated influenza vaccine effectiveness (VE) in Scotland, we performed a Scotland-wide linkage of patient-level primary care, hospital and virological swab data from 3,323 swabs (pooling data over nine influenza seasons: 2000/01 to 2008/09). We estimated the VE for reducing real-time RT-PCR-confirmed influenza using a test-negative study design. Vaccination was associated with a 57% (95% confidence interval (CI): 31–73) reduction in the risk of PCR-confirmed influenza. VE was 60% (95% CI: 22–79) for patients younger than 65 years and clinically at risk of serious complications from influenza, and 19% (95% CI: −104 to 68) for any individual 65 years and older. Vaccination was associated with substantial, sustained reductions in laboratory-confirmed influenza in the general population and younger patients in clinical at-risk groups.
Original language | English |
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Article number | 21043 |
Number of pages | 7 |
Journal | Eurosurveillance |
Volume | 20 |
Issue number | 8 |
DOIs | |
Publication status | Published - 26 Feb 2015 |
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Nazir Lone
- Usher Institute - Reader
- Centre for Population Health Sciences
- Deanery of Molecular, Genetic and Population Health Sciences - Reader
Person: Academic: Research Active