Adjusted flu vaccine effectiveness estimates for seasons from 2004-2018/ CDC

Table. Adjusted vaccine effectiveness estimates for influenza seasons from 2004-2018

Influenza Season†	Reference	Study Site(s)	No. of Patients‡	Adjusted Overall VE (%)	95% CI
2004-05	Belongia 2009	WI	762	10	-36, 40
2005-06	Belongia 2009	WI	346	21	-52, 59
2006-07	Belongia 2009	WI	871	52	22 ,70
2007-08	Belongia 2011	WI	1914	37	22, 49
2008-09	Unpublished	WI, MI, NY, TN	6713	41	30, 50
2009-10	Griffin 2011	WI, MI, NY, TN	6757	56	23, 75
2010-11	Treanor 2011	WI, MI, NY, TN	4757	60	53, 66
2011-12	Ohmit 2014	WI, MI, PA, TX, WA	4771	47	36, 56
2012-13	McLean 2014	WI, MI, PA, TX, WA	6452	49	43, 55
2013-14	Gaglani 2016	WI, MI, PA, TX, WA	5999	52	44, 59
2014-15	Zimmerman 2016	WI, MI, PA, TX, WA	9311	19	10, 27
2015-16	Jackson 2017	WI, MI, PA, TX, WA	6879	48	41, 55
2016-17	Unpublished final estimates.	WI, MI, PA, TX, WA	7410	40	32, 46
2017-18	Rolfes 2019	WI, MI, PA, TX, WA	8,436	38	31, 43
2018-19*	Doyle 2019	WI, MI, PA, TX, WA	3,254	47*	34, 57