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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 2

Crude and adjusted vaccine effectiveness against pandemic (H1N1) 2009 virus, Australia, 2010

Effectiveness Influenza vaccine effectiveness, % (95% confidence interval)
Seasonal Monovalent Both Any
Crude
80 (39–93)
42 (−62 to 79)
84 (26 to 96)
70 (42 to 84)
Adjusted*
0–19 y Undefined† 44 (−231 to 91) Undefined‡ −41 (−549 to 69)
20–64 y 89 (50 to 98) 56 (−88 to 90) 81 (7 to 96) 81 (52 to 92)
All ages 79 (33 to 93) 47 (−62 to 82) 81 (7 to 96) 67 (33 to 84)

*Adjusted for month of swab collection.
†No controls vaccinated.
‡No controls or case-patients vaccinated.

Main Article

Page created: August 18, 2011
Page updated: August 18, 2011
Page reviewed: August 18, 2011
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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