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Updated: Apr 1, 2026

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An Optimized Hemagglutination Inhibition HI Assay to Quantify Influenza-specific Antibody Titers
Published on: December 1, 2017
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Influenza Vaccine Effectiveness in a Low-Income, Urban Community Cohort
Marie Smithgall1, Celibell Y Vargas2, Carrie Reed3
1College of Physicians and Surgeons.
Abstract:
In this community-based cohort study of 275 primarily low-income, urban households in New York City, overall 2013-2014 influenza vaccine effectiveness (VE) was 62.5% (95% confidence interval, 21.7%-82.0%). VE point estimates were highest against 2009 H1N1 and for those who were vaccinated in 2013-2014 but not in 2012-2013.
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