2014-2015 Estimated Influenza Illnesses, Medical Visits, Hospitalizations, and Deaths Averted by Vaccination in the United States

CDC estimates that influenza vaccination during the 2014-2015 influenza season prevented 1.4 million illnesses, 700,000 medical visits, 39,000 hospitalizations and 3,700 deaths associated with influenza (Table: Estimated Number of Influenza Illnesses, Medical Visits, Hospitalizations, and Deaths Averted by Vaccination, 2010-11 through 2017-18 Influenza Seasons).

Table 1: Estimated Number of Influenza Illnesses, Medical Visits, Hospitalizations, and Deaths Averted by Vaccination, by Age Group — United States, 2014-2015
Age group	Estimate	95% UI	Estimate	95% UI	Estimate	95% UI	Estimate	95% UI
	Averted Illnesses		Averted Medical Visits		Averted Hospitalizations		Averted Deaths
6 mo-4 yrs	140,406	(664, 398,218)	94,072	(467, 258,150)	979	(5, 2,776)	17	(0, 62)
5-17 yrs	357,179	(1,612, 838,436)	185,733	(879, 412,209)	979	(4, 2,299)	23	(0, 70)
18-49 yrs	247,680	(2,324, 561,486)	91,642	(931, 192,204)	1,390	(13, 3,152)	28	(0, 81)
50-64 yrs	309,102	(2,088, 811,738)	132,914	(964, 331,179)	3,278	(22, 8,608)	203	(1, 594)
65+ yrs	353,641	(33, 1,994,509)	198,039	(19, 1,047,220)	32,149	(3, 181,319)	3,386	(0, 19,889)
All ages	1,408,009	(8,305, 4,229,518)	702,400	(4,247, 2,054,599)	38,776	(161, 193,658)	3,657	(13, 20,382)

*Uncertainty Intervall

*Uncertainty Interval