One of the main benefits of flu jabs for the elderly - protection against pneumonia - may not exist, US scientists have claimed. They say the risk of pneumonia for older people stayed the same, whether they received the jab or not. The study, published in The Lancet journal, looked at pneumonia rates among thousands of vaccinated and unvaccinated people. The latest research followed 3,500 people through three flu seasons to see if it made any difference, and while slightly fewer vaccinated patients were diagnosed with pneumonia, the difference was not statistically significant.
Friday, August 01, 2008
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