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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)

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Table 2

Characteristics and serologic results of persons with influenza (H5N1) antibody–positive serum samples, South Korea, 2003–2004*

Participant no.† Age, y Occupation Serologic results‡
Neutralizing antibody titer Horse HI titer Western blot§
1 48 Fireman <20/80 <10/80 −/+
2 23 Soldier <20/80 <10/160 −/+
3 23 Soldier 20/640 <10/40 +/+
4 23 Soldier 20/160 <10/<10 +/+
5 25 Soldier 20/160 <10/<10 ±/+
6 48 Provincial officer 160 <10 +
7 22 Soldier 80 <10 +
8 36 Provincial officer 80 160 +
9 45 Animal husbandryman 80 80 +

*All 9 persons were male, worked as cullers, and had no signs or symptoms of respiratory illness. HI, hemagglutination inhibition assay; +, positive; −, negative; ±, equivocal.
†Cases 1–5 were confirmed at the Korea Centers for Disease Control and Prevention with paired samples and 6–9 were confirmed at the US Centers for Disease Control and Prevention with a single sample.
‡Results for participants 1–5 were obtained from 2 samples and for 6–9 from 1 sample.
§Western blot analyses were performed by using purified baculovirus-expressed influenza A/Vietnam/1203/2004 virus hemagglutinin as antigen.

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Page created: April 26, 2012
Page updated: May 01, 2012
Page reviewed: May 01, 2012
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.
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