Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
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 3

Clinical features for pandemic (H1N1) 2009 case-patients and household contacts, Victoria, Australia, May 18–June 3, 2009

Feature No. (%) index case-patients, n = 36 No. (%) secondary case-patients, n = 18 p value*
Sign or symptom
Fever 35 (97.2) 18 (100) 0.67
Chills 17 (47.2) 8 (44.4) 0.54
Headache 25 (69.4) 13 (72.2) 0.55
Muscle pain 20 (55.6) 8 (44.4) 0.32
Joint pain 15 (41.7) 7 (38.9) 0.54
Fatigue 30 (83.3) 16 (88.9) 0.46
Diarrhea 8 (22.2) 2 (11.1) 0.28
Vomiting 16 (44.4) 2 (11.1) 0.01
Upper respiratory tract symptoms
32 (88.9)
17 (94.4)
0.45
Sign or symptom duration, d
1–3 9 (25.0) 2 (11.2) 0.49
4–6 13 (36.1) 9 (50.0)
7–9 9 (25.1) 3 (16.7)
>10
5 (13.8)
4 (22.2)

Any medical care received
36 (100)
14 (77.8)
0.01
Reported prevention and control measures taken
Quarantine 32 (88.9) 15 (83.3) 0.43
Antiviral prophylaxis 0 1 (5.56) 0.43
Antiviral treatment 11 (33.3) 2 (11.1) 0.10

*Fisher exact test statistic used when expected value was <6.

Main Article

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

Page created: September 06, 2011
Page updated: September 06, 2011
Page reviewed: September 06, 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.
file_external