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Volume 17, Number 7—July 2011
Research

Effectiveness of Seasonal Influenza Vaccine against Pandemic (H1N1) 2009 Virus, Australia, 2010

James E. FieldingComments to Author , Kristina A. Grant, Katherine Garcia, and Heath A. Kelly
Author affiliations: Author affiliations: Victorian Infectious Diseases Reference Laboratory, North Melbourne, Victoria, Australia (J.E. Fielding, K.A. Grant, K. Garcia, H.A. Kelly); The Australian National University, Canberra, Australian Capital Territory, Australia (J.E. Fielding)

Main Article

Table 1

Participants in negative-test case–control study of efficacy of seasonal influenza vaccine for preventing pandemic (H1N1) 2009, Australia, 2010

Participants Age group, y
Total,
n = 319
0–4, n = 19 5–19, n = 73 20–49, n = 181 50–64, n = 41 >65, n = 5
Controls
Total* 13 (68) 27 (37) 107 (59) 28 (68) 5 (100) 180 (56)
Vaccinated with monovalent vaccine† 0 3 (11) 7 (7) 1 (4) 0 11 (6)
Vaccinated with seasonal vaccine† 0 0 9 (8) 10 (36) 2 (40) 21 (12)
Vaccinated with both vaccines†
0
0
7 (7)
4 (14)
2 (40)
13 (7)
Pandemic (H1N1) 2009 case-patients
Total* 6 (32) 46 (63) 74 (41) 13 (32) 0 139 (44)
Vaccinated with monovalent vaccine† 0 3 (7) 3 (4) 0 0 6 (4)
Vaccinated with seasonal vaccine† 0 2 (4) 2 (3) 0 0 4 (3)
Vaccinated with both vaccines† 0 0 2 (3) 0 0 2 (1)

*No. (%) study participants.
†No. (%) controls/pandemic (H1N1) 2009 case-patients.

Main Article

Page created: August 18, 2011
Page updated: August 18, 2011
Page reviewed: August 18, 2011
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