2015-2016 Estimated Influenza Illnesses, Medical Visits, Hospitalizations, and Deaths Averted by Vaccination in the United States

CDC estimates that influenza vaccination during the 2015-2016 influenza season prevented 5.3 million illnesses, 2.7 million medical visits, 70,000 hospitalizations and 6,400 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, 2015-2016 influenza season
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	1,059,354	(452,103, 2,386,227)	709,767	(316,217, 1,570,387)	7,385	(3,152, 16,636)	87	(0, 295)
5-17 yrs	1,521,776	(790,720, 2,837,711)	791,324	(431,149, 1,426,265)	4,173	(2,168, 7,781)	32	(0, 107)
18-49 yrs	1,579,966	(951,143, 2,625,966)	584,588	(370,062, 942,209)	8,868	(5,339, 14,740)	295	(135, 577)
50-64 yrs	733,122	(0, 1,783,299)	315,243	(0, 730,393)	7,775	(0, 18,911)	362	(0, 953)
65+ yrs	454,360	(26,373, 1,451,902)	254,442	(15,821, 778,804)	41,305	(2,398, 131,991)	5,637	(233, 19,130)
All ages	5,348,579	(2,541,706, 9,211,997)	2,655,362	(1,302,745, 4,513,605)	69,506	(14,912, 171,106)	6,413	(512, 20,316)

*Uncertainty Interval

*Uncertainty Interval