Has anyone made a comparison between both HPV vaccines adverse events since Cervarix® targets HPV types 16 and 18 and Gardasil® targets four HPV types (6, 11, 16, and 18)? It is most difficult to compare the rates of adverse events between the two vaccines, primarily because most countries only use one of them at a time. Almost all countries have voluntary reporting of suspected adverse events. Couple that with the fact that most countries do not keep track of administered doses – only distributed doses. These two facts tend to skew the results of any attempted analysis of adverse event rates. The closest I have personally seen to a comparison of the two came out of Japan. Cervarix® had 52 times more adverse event reports than influenza vaccines and Gardasil® had 26 times more adverse events reported than influenza vaccines. sanevax.org/hpv-vaccine-harms-japanese-demanding-hpv-vaccinations/
Posted on: Sun, 27 Jul 2014 07:55:54 +0000
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