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Volume 18, Number 6—June 2012

Dispatch

Avian Influenza A (H5N1) Virus Antibodies in Poultry Cullers, South Korea, 2003–2004

Donghyok Kwon, Joo-Yeon Lee, Wooyoung Choi, Jang-Hoon Choi, Yoon-Seok Chung, Nam-Joo Lee, Hyang-Min Cheong, Jacqueline M. Katz, Hee-Bok Oh, Haewol Cho, and Chun KangComments to Author 
Author affiliations: Korea Centers for Disease Control and Prevention, Osong, South Korea (D. Kwon, J.-Y. Lee, W. Choi, J.-H. Choi, Y.-S. Chung, N.-J. Lee, H.-M. Cheong, H.-B. Oh, H. Cho, C. Kang); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (J.M. Katz)

Main Article

Table 1

Demographic characteristics of 2,512 bird cullers exposed during December 2003–March 2004 to poultry with confirmed or suspected influenza (H5N1) virus infection, South Korea

Characteristic No. (%) cases No. (%) positive
Age group, y, n = 2,055*
<20 74 (3.6) 0
20–29 783 (38.1) 5 (0.58)
30–39 365 (17.8) 1 (0.27)
   40–49 427 (20.8) 3 (0.70)
   50–59 249 (12.1) 0
   >59 157 (7.6) 0
Sex, n = 2,512
M 2,112 (84.1) 9 (0.43)
F 400 (15.9) 0
Type of work, n = 1,573
Poultry farm worker† 176 (11.2) 0
Culler 1,327 (84.3) 9 (0.68)
Other‡ 70 (4.5) 0

*No. persons whose epidemiologic history was available.
†Includes farm workers and their household members.
‡Includes epidemiologists, public health officials, and media reporters.

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