Influenza Vaccine Effectiveness in a Low-Income, Urban Community Cohort.

Smithgall, Marie; Vargas, Celibell Y; Reed, Carrie; Finelli, Lyn; LaRussa, Philip; Larson, Elaine L; Saiman, Lisa; Stockwell, Melissa S · Clin Infect Dis · 2016

prospective_cohort · Level II

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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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