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Volume 17, Number 6—June 2011


Use of Antiviral Drugs to Reduce Household Transmission of Pandemic (H1N1) 2009, United Kingdom1

Richard G. PebodyComments to Author , Ross Harris, George Kafatos, Mary Chamberland, Colin Campbell, Jonathan S. Nguyen-Van-Tam, Estelle McLean, Nick Andrews, Peter J. White, Edward Wynne-Evans, Jon Green, Joanna Ellis, Tim Wreghitt, Sam Bracebridge, Chikwe Ihekweazu, Isabel Oliver, Gillian E. Smith, Colin Hawkins, Roland Salmon, Brian Smyth, Jim McMenamin, Maria Zambon, Nick F. Phin, and John M. Watson
Author affiliations: Author affiliations: Health Protection Agency, London, UK (R.G. Pebody, R. Harris, G. Kafatos, M. Chamberland, C. Campbell, J.S. Nguyen-Van-Tam, E. McLean, N. Andrews, P.J. White, E. Wynne-Evans, J. Green, J. Ellis, T. Wreghitt, S. Bracebridge, C. Ihekweazu, I. Oliver, G. Smith, C. Hawkins, M. Zambon, N. Phin, J.M. Watson); Imperial College, London (P.J. White); Public Health Wales, Cardiff, Wales, UK (R. Salmon); Public Health Agency Northern Ireland, Belfast, Northern Ireland (B. Smyth); Health Protection Scotland, Glasgow, Scotland (J. McMenamin)

Main Article

Table 2

Primary and co-primary confirmed case-patients with pandemic (H1N1) 2009 virus infection and household contacts, by sex, age, and prophylaxis status, United Kingdom, 2009*

Variable No. (%) primary and co-primary case-patients No. (%) contacts
Sex, n = 1,030
M 143 (50.2) 364 (48.9)
142 (49.8)
381 (51.1)
Age, y
<16 154 (54.0) 212 (27.9%)
16–49 114 (40.0) 378 (49.7)
17 (6.0)
171 (22.5)
Prophylaxis, n = 843
No 253 (98.8) 132 (22.5)
3 (1.2)
455 (77.5)
Total 285 761

*n = 1,046 except as indicated.

Main Article

1Elements of this work were presented at the Health Protection Agency Annual Conference in 2009. An abstract was presented at the International Conference on Emerging Infectious Diseases, Atlanta, Georgia, USA, 2010.