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Further Evidence for Bias in Observational Studies of Influenza Vaccine Effectiveness : The 2009 Influenza A (H1N1) Pandemic

Michael-L JACKSON ; . ONCHEE YU ; Group Health Research Institute, Group Health Cooperative (Seattle WA, Etats-Unis) ; Jennifer-C NELSON ; Allison NALEWAY ; Edward-A BELONGIA ; Roger BAXTER ; Komal NARWANEY ; Steven-J JACOBSEN ; David-K SHAY ; Lisa-A JACKSON |

Dans American journal of epidemiology (vol. 178, n° 8, Octobre 2013)

[BDSP. Notice produite par INIST-CNRS F89sR0xr. Diffusion soumise à autorisation]. Preinfluenza periods have been used to test for uncontrolled confounding in studies of influenza vaccine effectiveness, but some authors have claimed that confoun[...]

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Article

Evidence of bias in estimates of influenza vaccine effectiveness in seniors. Commentary.

Lisa-A JACKSON ; Wpaul GLEZEN, disc. ; Michael-L JACKSON ; Jennifer-C NELSON ; Kathleen-M NEUZIL ; Lone SIMONSEN, disc. ; Noel-S Weiss |

Dans International journal of epidemiology (vol. 35, n° 2, 2006)

[BDSP. Notice produite par INIST-CNRS R0xES5XC. Diffusion soumise à autorisation]. Background : Numerous observational studies have reported that seniors who receive influenza vaccine are at substantially lower risk of death and hospitalization [...]

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