Association between the 2008-09 seasonal influenza vaccine and pandemic H1N1 illness during Spring-Summer 2009: four observational studies from Canada.
<h4>Background</h4>In late spring 2009, concern was raised in Canada that prior vaccination with the 2008-09 trivalent inactivated influenza vaccine (TIV) was associated with increased risk of pandemic influenza A (H1N1) (pH1N1) illness. Several epidemiologic investigations were conducte...
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Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , |
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Format: | article |
Language: | EN |
Published: |
Public Library of Science (PLoS)
2010
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Subjects: | |
Online Access: | https://doaj.org/article/55101a293ea3401aaa4ee7b408e65ab2 |
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