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
|
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
|
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
Table 2: Estimated Fraction of Influenza Hospitalizations Averted by Vaccination by age group — United States, 2015-2016 influenza season
| Age group |
Estimate |
95% UI* |
|
6 mo-4 yrs
|
39 |
(23, 50) |
|
5-17 yrs
|
28 |
(18, 35) |
|
18-49 yrs
|
16 |
(11, 19) |
|
50-64 yrs
|
10 |
(0, 19) |
|
65+ yrs
|
25 |
(2, 40) |
*Uncertainty Interval
