Flu vaccination benefit vastly over-estimated, says study
Case Management Weekly, February 16, 2005
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Studies that estimated the flu vaccine reduces death in the elderly by 50% over-estimate the vaccine's benefit, according to researchers. The study, recently published in the Archives of Internal Medicine, says that although vaccination among the elderly has increased 50%, researchers could find no correlation between increased vaccination and declining death rates. The study's authors attribute the over-estimation to who is more likely to get vaccinated. "Very ill elderly people, whose fragile health would make them likely to die over the coming winter months, are less likely to be vaccinated during the autumn vaccination period," wrote the authors.
Source: Archives of Internal Medicine.
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