Evaluating the Case-Positive, Control Test-Negative Study Design for Influenza Vaccine Effectiveness for the Frailty Bias

INTRODUCTION: Previous influenza vaccine effectiveness studies were criticized for their failure to control for frailty. This study was designed to see if the test-negative study design overcomes this bias. METHODS: Adults ≥50 years of age with respiratory symptoms were enrolled from November 2006 t...

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I publikationen:Vaccine
Huvudupphovsmän: Talbot, H. Keipp, Nian, Hui, Chen, Qingxia, Zhu, Yuwei, Edwards, Kathryn M., Griffin, Marie R.
Materialtyp: Artigo
Språk:Inglês
Publicerad: 2016
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Article
Länkar:https://ncbi.nlm.nih.gov/pmc/articles/PMC4801768/
https://ncbi.nlm.nih.gov/pubmed/26930368
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.vaccine.2016.02.037
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