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Volume 19, Number 3—March 2013

Research

Effects of Vaccine Program against Pandemic Influenza A(H1N1) Virus, United States, 2009–2010

Rebekah H. Borse1, Sundar S. Shrestha, Anthony E. Fiore, Charisma Y. Atkins, James A. Singleton, Carolyn Furlow, and Martin I. MeltzerComments to Author 
Author affiliations: Author affiliation: Centers for Disease Control and Prevention, Atlanta, Georgia, USA

Main Article

Table 5

Estimated number of deaths prevented by vaccination against influenza A(H1N1)pdm09 virus*

Subgroup No. deaths without a vaccination program (range) No. deaths prevented due to a vaccination program (range) No. doses administered to avoid 1 death (range)
6 mo–9 y 759 (538–1,117) 9 (5–15) 3,087,138 (1,745,154–5,761,939)
10–24 y, (10–17 all, 18–24 NP) 1,028 (729–1,514) 30 (20–50) 525,012 (319,229–814,797)
Pregnant 18–64 y 533 (378–789) 37 (25–60) 64,787 (40,177–96,492)
25–64 y, HR, NP 3,077 (2,182–4,533) 84 (54–139) 109,638 (66,300–171,951)
25–64 y, HCW, non-HR, NP 1,175 (833–1,735) 53 (35–87) 117,312 (71,786–179,325)
25–64, contact with <6 mo, non-HCW, non-HR, NP 766 (544–1,128) 18 (12–30) 112,945 (68,351–175,889)
25–64 y, noncontact with <6 mo, non-HCW, non-HR, NP 3,792 (2,692–5,578) 52 (32–86) 297,838 (177,870–479,999)
>65 y
1,653 (1,173–2,433)
32 (20–53)
339,494 (204,961–533,711)
Total 12,783 (9,069–18,826) 315 (201–520) 281,305 (170,343–439,832)

* All values are estimates. Vaccinations beginning at week 40 with a distribution of the vaccines as outlined in Table 2. NP, not pregnant; HR, high risk; HCW, health care worker; contact, household contacts and caregivers of children <6 mo of age.

Main Article

1Current affiliation: Merck & Co., Inc., Lansdale, Pennsylvania, USA.

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