Volume 25, Number 11—November 2019
Research
Seasonal Influenza and Avian Influenza A(H5N1) Virus Surveillance among Inpatients and Outpatients, East Jakarta, Indonesia, 2011–2014
Table 1
Characteristics of ILI and SARI case-patients in study of incidence of seasonal and avian influenza A(H5N1) virus infections, East Jakarta, Indonesia, October 2011–September 2014*
Characteristic | ILI, n = 6,064 | SARI, n = 4,071 |
---|---|---|
Age, y | ||
<5 | 2,715 (44.8) | 1,414 (35) |
5–17 | 2,546 (42.0) | 650 (16) |
18–49 | 705 (11.6) | 1,298 (32) |
50–64 | 85 (1.4) | 463 (11) |
>65 |
13 (0.2) |
246 (6) |
Age, y, median (IQR) |
5 (2–9) |
17 (2–40) |
Sex | ||
M | 2,930 (48) | 2,205 (54) |
F |
3,134 (52) |
1,866 (46) |
Specimen collected and tested for influenza |
6,008 (99) |
3,811 (94) |
Influenza virus positive | ||
Any | 1,875/6,008 (31) | 571/3,811 (15) |
A | 1,057/1,875 (56) | 330/571 (58) |
A(H3N2) | 605/1,057 (57) | 177/330 (53.6) |
A(H1N1)pdm09 | 452/1,057 (43) | 152/330 (46.1) |
A(H5N1) | 0 | 1/330 (0.3) |
B |
827/1,875 (44) |
241/571 (42) |
Met Indonesia case definition for suspected avian H5N1 virus infection† | 1,943 (32) | 867 (21) |
*Values are no. (%), except where indicated otherwise. ILI and SARI were defined as described in the text. ILI, influenza-like illness; IQR, interquartile range; SARI, severe acute respiratory infection.
†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.
1These authors contributed equally to this article.