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
|
Averted Illnesses |
Averted Medical Visits |
Averted Hospitalizations |
Averted Deaths |
| Age group |
Estimate |
95% UI |
Estimate |
95% UI |
Estimate |
95% UI |
Estimate |
95% UI |
|
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
Table 2: Estimated Fraction of Influenza Hospitalizations Averted by Vaccination by age group — United States, 2014-2015 influenza season
| Age group |
Estimate |
95% UI |
|
6 mo-4 yrs
|
7 |
(1, 15) |
|
5-17 yrs
|
7 |
(0, 13) |
|
18-49 yrs
|
4 |
(0, 7) |
|
50-64 yrs
|
5 |
(0, 10) |
|
65+ yrs
|
8 |
(0, 27) |
*Uncertainty Interval
