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Volume 30, Number 9—September 2024
Dispatch

Cocirculation of Genetically Distinct Highly Pathogenic Avian Influenza H5N5 and H5N1 Viruses in Crows, Hokkaido, Japan

Yik Lim Hew, Takahiro HionoComments to Author , Isabella Monne, Kei Nabeshima, Saki Sakuma, Asuka Kumagai, Shunya Okamura, Kosuke Soda, Hiroshi Ito, Mana Esaki, Kosuke Okuya, Makoto Ozawa, Toshiyo Yabuta, Hiroki Takakuwa, Linh Bao Nguyen, Norikazu Isoda, Kohtaro Miyazawa, Manabu Onuma, and Yoshihiro Sakoda
Author affiliations: Hokkaido University, Sapporo, Japan (Y.L. Hew, T. Hiono, L.B. Nguyen, N. Isoda, Y. Sakoda); Istituto Zooprofilattico Sperimentale delle Venezie, Padova, Italy (I. Monne); National Institute for Environmental Studies, Tsukuba, Japan (K. Nabeshima, M. Onuma); National Agriculture and Food Research Organization, Tsukuba (S. Sakuma, A. Kumagai, K. Miyazawa); Tottori University, Tottori, Japan (S. Okamura, K. Soda, H. Ito); Kagoshima University, Kagoshima, Japan (M. Esaki, K. Okuya, M. Ozawa); Kyoto Sangyo University, Kyoto, Japan (T. Yabuta, H. Takakuwa)

Main Article

Table 1

H5 viruses isolated in Hokkaido and Kumamoto, Japan, in winter 2023–24 in study of cocirculation of genetically distinct highly pathogenic avian influenza H5N5 and H5N1 viruses in crows*

Virus name Subgroup Date† City/town Latitude Longitude Accession no.
A/large-billed crow/Hokkaido/B067/2023 (H5N1)
 G2d
 2023 Nov 23
 Sapporo
 43°03′50”N
 141°20′35”E
 EPI_ISL_18591747
A/large-billed crow/Hokkaido/B068/2023 (H5N1)
 G2d
 2023 Nov 24
 Sapporo
 43°03′50”N
 141°20′35”E
 EPI_ISL_18594618
A/large-billed crow/Hokkaido/0112F066T/2023 (H5N5)
 G2a
 2023 Dec 19
 Erimo
 42°00′59”N
 143°08′53”E
 EPI_ISL_18837770
A/large-billed crow/Hokkaido/0112F066C/2023 (H5N5)
 G2a
 2023 Dec 19
 Erimo
 42°00′59”N
 143°08′53”E
 EPI_ISL_18838019
A/large-billed crow/Hokkaido/B073/2024 (H5N5)
 G2a
 2024 Jan 8
 Sapporo
 43°03′50”N
 141°20′35”E
 EPI_ISL_18792212
A/large-billed crow/Hokkaido/B074/2024 (H5N5)
 G2a
 2024 Jan 9
 Sapporo
 43°03′50”N
 141°20′35”E
 EPI_ISL_18830859
A/crow/Hokkaido/B075/2024 (H5N5)
 G2a
 2024 Jan 11
 Sapporo
 43°03′50”N
 141°20′35”E
 EPI_ISL_18830860
A/large-billed crow/Hokkaido/B076/2024 (H5N1)
 G2d
 2024 Jan 12
 Sapporo
 43°03′50”N
 141°20′35”E
 EPI_ISL_18830861
A/large-billed crow/Hokkaido/B078/2024 (H5N1)
 G2d
 2024 Jan 17
 Sapporo
 43°03′50”N
 141°20′35”E
 EPI_ISL_18876661
A/carrion crow/Hokkaido/B079/2024 (H5N1)
 G2d
 2024 Jan 18
 Sapporo
 43°03′50”N
 141°20′35”E
 EPI_ISL_18876662
A/large-billed crow/Hokkaido/B080/2024 (H5N1)
 G2d
 2024 Jan 22
 Sapporo
 43°03′50”N
 141°20′35”E
 EPI_ISL_18932042
A/carrion crow/Hokkaido/B081/2024 (H5N1)
 G2d
 2024 Jan 26
 Sapporo
 43°03′50”N
 141°20′35”E
 EPI_ISL_18876663
A/large-billed crow/Hokkaido/B104/2024 (H5N5)
 G2a
 2024 Feb 20
 Sapporo
 43°03′50”N
 141°20′35”E
 EPI_ISL_19033207
A/large-billed crow/Hokkaido/B120/2024 (H5N5)
 G2a
 2024 Mar 16
 Sapporo
 43°03′50”N
 141°20′35”E
 EPI_ISL_19055087
A/large-billed crow/Hokkaido/B157/2024 (H5N5)
 G2a
 2024 Apr 30
 Sapporo
 43°03′50”N
 141°20′35”E
 EPI_ISL_19174744
A/peregrine falcon/Kumamoto/4301C001/2024 (H5N5) G2d 2024 Jan 16 Kumamoto 32°56′07”N 130°33′45”E EPI_ISL_18876660

*Accession numbers are from GISAID (https://www.gisaid.org). †Date of sample collection.

Main Article

Page created: July 08, 2024
Page updated: August 21, 2024
Page reviewed: August 21, 2024
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