Northerner
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A major new study has cast fresh doubt on the effectiveness of flu vaccination, with researchers warning evidence of high-level protection was ?elusive', particularly in high-risk patients.
US researchers collated influenza-specific outcomes from 31 studies of flu vaccination, after concerns reporting of non-specific outcomes such as death rates could have over-estimated vaccine benefits. Their systematic review, published this week by Lancet Infectious Diseases, estimated immunisation with trivalent inactivated vaccines only had 59% efficacy against flu in healthy adults.
http://www.pulsetoday.co.uk/newsart...ation?sp_rid=NjU3NzMyNzAyOQS2&sp_mid=37280427
(free registration required)
US researchers collated influenza-specific outcomes from 31 studies of flu vaccination, after concerns reporting of non-specific outcomes such as death rates could have over-estimated vaccine benefits. Their systematic review, published this week by Lancet Infectious Diseases, estimated immunisation with trivalent inactivated vaccines only had 59% efficacy against flu in healthy adults.
http://www.pulsetoday.co.uk/newsart...ation?sp_rid=NjU3NzMyNzAyOQS2&sp_mid=37280427
(free registration required)
