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Volume 25, Number 11—November 2019

Seasonal Influenza and Avian Influenza A(H5N1) Virus Surveillance among Inpatients and Outpatients, East Jakarta, Indonesia, 2011–2014

Kathryn E. Lafond1Comments to Author , Catharina Y. Praptiningsih1, Amalya Mangiri, Misriyah Syarif, Romadona Triada, Ester Mulyadi, Chita Septiawati, Vivi Setiawaty, Gina Samaan, Aaron D. Storms, Timothy M. Uyeki, and A. Danielle Iuliano
Author affiliations: University of Tampere, Tampere, Finland (K.E. Lafond); US Centers for Disease Control and Prevention, Atlanta, Georgia, USA (K.E. Lafond, A.D. Storms, T.M. Uyeki, A.D. Iuliano); US Centers for Disease Control and Prevention, Jakarta, Indonesia (C.Y. Praptiningsih, A. Mangiri, E. Mulyadi); Ministry of Health, Jakarta (M. Syarif, R. Triada, C. Septiawati, V. Setiawaty); Australian National University, Canberra, Capital Territory, Australia (G. Samaan)

Main Article

Table 2

Characteristics of ILI case-patients by influenza virus positivity, East Jakarta, Indonesia, October 2011–September 2014*

Characteristic Influenza virus positive
p value
Yes, n = 1,875 No, n = 4,133
M 900 (48) 2,007 (49) 0.687
975 (52)
2,126 (51)
Age, y†
<5 562 (30.0) 2,150 (52.0)
5–17 915 (48.8) 1,592 (38.5)
18–49 350 (18.7) 341 (8.3)
50–64 41 (2.2) 44 (1.1)
7 (0.4)
6 (0.1)
Age, y, median (IQR) 7 (3–13) 4 (1–8) <0.001
Time from illness onset to outpatient visit, d, median (IQR) 1 (1–2) 1 (1–2) 0.526
Elevated respiratory rate‡ 229 (12) 796 (19) <0.001
Met Indonesia case definition for suspected avian influenza A(H5N1) virus infection§ 546 (29) 1,387 (34) <0.001

*Values are no. (%), except where indicated otherwise. ILI was defined as stated in the text. ILI, influenza-like illness; IQR, interquartile range.
†Percentages in group do not always add up to 100% because of rounding.
‡Defined as described in the text.
§Acute lower respiratory tract illness with fever and recent exposure to poultry (i.e., touching healthy, sick, or dead poultry or poultry products; slaughtering or cleaning poultry; or contact with chicken manure) or a human with a suspected H5N1 virus infection within 7 days of illness onset.

Main Article

1These authors contributed equally to this article.

Page created: October 16, 2019
Page updated: October 16, 2019
Page reviewed: October 16, 2019
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