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Volume 17, Number 9—September 2011

Research

Intrahousehold Transmission of Pandemic (H1N1) 2009 Virus, Victoria, Australia

Caroline van GemertComments to Author , Margaret Hellard, Emma S. McBryde, James Fielding, Tim Spelman, Nasra Higgins, Rosemary Lester, Hassan Vally1, and Isabel Bergeri
Author affiliations: Author affiliations: Burnet Institute, Melbourne, Victoria, Australia (C. van Gemert, M. Hellard, E.S. McBryde, T. Spelman, I. Bergeri); Australian National University, Canberra, Australian Capital Territory, Australia (C. van Gemert, J. Fielding, H. Vally); Monash University, Melbourne (M. Hellard); Victorian Department of Health, Melbourne (E.S. McBryde, J. Fielding, N. Higgins, R. Lester); Royal Melbourne Hospital, Melbourne (E.S. McBryde); University of Melbourne, Melbourne (E.S. McBryde); Victorian Infectious Diseases Reference Laboratory, Melbourne (J. Fielding)

Main Article

Table 2

Prevention and control measures used by pandemic (H1N1) 2009 case-patients and household contacts, Victoria, Australia, May 18–June 3, 2009*

Reported measure No. (%) index case-patients, n = 36 No. (%) household contacts, n = 131 p value†
Antiviral
Treatment 11 (30.6) 6 (4.58) <0.001
Prophylaxis
 0
 60 (45.8)
 <0.001
Quarantine duration, d
>1 32 (88.9) 91 (69.5) 0.013
>1 with index case-patient NA 80 (61.1)

*NA, not applicable.
†Fisher exact test statistic used when expected value <6.

Main Article

1Current affiliation: La Trobe University, Melbourne, Victoria, Australia.

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