Table 2.
Estimates of All Influenza-Associated Illnesses, Medical Visits, Hospitalizations, and Deaths Prevented by Influenza Vaccination—United States, 2018–2019 Influenza Season
| Illnesses | Medical Visits | Hospitalizations | Deaths | |||||
|---|---|---|---|---|---|---|---|---|
| Age Group | Number Prevented | 95% UIa | Number Prevented | 95% UI | Number Prevented | 95% UI | Number Prevented | 95% UI | 
| 6 months–4 years | 1 335 840 | (736 978–2 851 485) | 895 012 | (492 938–1 926 307) | 10 569 | (5933–22 379) | 111 | (25–381) | 
| 5–17 years | 1 021 821 | (446 661–1 870 063) | 531 347 | (230 928–980 184) | 3269 | (1478–5709) | 33 | (4–108) | 
| 18–49 years | 984 698 | (612 071–1 610 237) | 364 338 | (225 540–600 040) | 6239 | (3919–9884) | 229 | (114–588) | 
| 50–64 years | 785 710 | (241 045–2 158 024) | 337 855 | (102 597–926 454) | 9250 | (2970–23 951) | 536 | (143–2000) | 
| ≥65 years | 300 879 | (3249–1 316 421) | 168 492 | (1844–737 768) | 28 695 | (1533–121 752) | 2625 | (122–12 163) | 
| All ages | 4 428 947 | (3 429 414–7 070 624) | 2 297 045 | (1 755 797–3 768 642) | 58 022 | (29 598–156 185) | 3533 | (1016–13 393) | 
Abbreviation: UI, uncertainty interval.
a95% UI from 5000 Monte Carlo simulations.