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Volume 30, Number 12—December 2024
Research

Highly Pathogenic Avian Influenza A(H5N1) Virus Infection in Cats, South Korea, 2023

Yong-Myung Kang1, Gyeong-Beom Heo1, Se-Hee An, Hyunho Lee, Eunhye Park, Ra Mi Cha, Yun Yueng Jang, Mingeun Sagong, Ah-Young Kim, Jongho Kim, Eun-Kyoung Lee, Seong Hee Kim, Kyungki Lee, Bokkyung Ku, Youn-Jeong Lee, Kyunghyun LeeComments to Author , and Kwang-Nyeong LeeComments to Author 
Author affiliation: Animal and Plant Quarantine Agency, Gimcheon-si, South Korea (Y.-M. Kang, G.-B. Heo, S.-H. An, R.M. Cha, Y.Y. Jang, M. Sagong, A.-Y. Kim, J. Kim, E.-K. Lee, S.H. Kim, Kyungki Lee, B. Ku, Y.-J. Lee, Kyunghyun Lee, K.-N. Lee); Kyungpook National University, Daegu, South Korea (Y.-M. Kang); Seoul National University, Seoul, South Korea (G.-B. Heo); Seoul Metropolitan Government Research Institute of Public Health and Environment, Gwacheon-si, South Korea (H. Lee, E. Park)

Main Article

Table 1

Real-time RT-PCR results for the H5 gene in study of highly pathogenic avian influenza virus A(H5N1) infection in cats, South Korea, 2023*

Location ID Clinical signs Cycle threshold value
Brain Feces Heart Intestine Kidney Liver Lung Lymph node Nasal
swab		 Spleen Trachea
Yongsan-gu
Shelter 1
 Cat carcass no. 1 Death 33 32 32 27 32 27 21 28 35 26 26
Cat carcass no. 2 Death 20 28 21 27 25 15 18 22 27 21 26
Cat carcass no. 3 Death 28 31 25 27 27 17 19 24 36 25 23
Cats nos. 4–5
 None
 NT
 NT
 NT
 NT
 NT
 NT
 NT
 NT
 –†
 NT
 NT
Gwanak-gu
Animal hospital Cat carcass no. 1 Death 22 27 20 19 18 12 15 21 19 17 24
Cat no. 1 Severe NT NT NT NT NT NT NT NT 35 NT NT
Cats nos. 2–4 Moderate NT NT NT NT NT NT NT NT –‡ NT NT
Shelter 2 Cat no. 5 None NT NT NT NT NT NT NT NT 29 NT NT
Cat no. 6 None NT NT NT NT NT NT NT NT 24 NT NT
Cats nos. 7–126 None NT NT NT NT NT NT NT NT –§ NT NT

*ID, identification number; NT, not tested; RT-PCR, reverse transcription PCR; –, negative. †Two live cats from shelter 1 were negative on H5 real-time RT-PCR but showed seroconversion against H5 antigens. ‡Three cats from the animal hospital were negative on H5 real-time RT-PCR. §At shelter 2, 120 live cats were negative on H5 real-time RT-PCR.

Main Article

1These authors contributed equally to this article.

Page created: October 01, 2024
Page updated: November 26, 2024
Page reviewed: November 26, 2024
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