Wiley Online Library: Book Abstract - 0 views
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In the relatively uncommon circumstance of vaccine matching the viral circulating strain and high circulation, 4% of unvaccinated people versus 1% of vaccinated people developed influenza symptoms (risk difference (RD) 3%
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The corresponding figures for poor vaccine matching were 2% and 1% (RD 1, 95% CI 0% to 3%).
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Vaccination had a modest effect on time off work and had no effect on hospital admissions or complication rates
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exhaustive review of the flu vaccine data reveals VERY poor matching of vaccine, poor prevention of flu symptoms, and only modest effect on reduction in hospital admission or complication rates. Final conclusion: "There is no evidence that they affect complications, such as pneumonia, or TRANSMISSION.