| http://www.w3.org/ns/prov#value | - There is no evidence that they affect complications such as pneumonia or transmission??? In 2006, a large scale review of 51 studies published in the Cochrane Database of Systematic Reviews which involved 260,000 children aged 6 to 23 months concluded that there was ???no evidence that the flu vaccine is any more effective than a placebo in preventing influenza in children under two??? Given the a
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