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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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| Wydane w: | Vaccine |
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| Główni autorzy: | , , , , , |
| Format: | Artigo |
| Język: | Inglês |
| Wydane: |
2016
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| Hasła przedmiotowe: | |
| Dostęp online: | 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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