Influenza Vaccine Effectiveness in a Low-Income, Urban Community Cohort
Influenza Vaccine Effectiveness in a Low-Income, Urban Community Cohort
In this community-based cohort study of 275 primarily low-income, urban households in New York City, overall 2013โ2014 influenza vaccine effectiveness (VE) was 62.5% (95% confidence interval, 21.7%โ82.0%). VE point estimates were highest against 2009 H1N1 and for those who were vaccinated in 2013โ2014 but not in 2012โ2013.