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Flu Vaccines
NIH scientists describe ways to better assess benefits of influenza vaccine in the elderly
October 8th, 2007
Each year, seasonal flu kills approximately 36,000 people in the United States, most over age 70.Yet little is known about the benefit of influenza vaccine in older seniors. Randomized, placebo-controlled clinical trials involving seniors have not been large enough to reveal how well the vaccine can prevent death in this age group. In an article in the October issue of The Lancet Infectious Diseases, now available online, researchers from the National Institutes of Health (NIH) describe how sources of bias in other, non-randomized studies have inadvertently resulted in an exaggeration of the flu vaccine’s value in preventing flu deaths in the elderly. The authors point...
Source: Biotech Business Week (2007-10-08)
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