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Volume 30, Number 12—December 2024
Dispatch

Transboundary Movement of Yezo Virus via Ticks on Migratory Birds, Japan, 2020–2021

Ayano Nishino, Kango Tatemoto, Keita Ishijima, Yusuke Inoue, Eun-sil Park, Tsukasa Yamamoto, Masakatsu Taira, Yudai Kuroda, Milagros Virhuez-Mendoza, Michiko Harada, Noboru Nakamura, Gen Morimoto, Hiroki Yamaguchi, Takuma Ariizumi, Ai Takano, Hiroshi Shimoda, Keita Matsuno, and Ken MaedaComments to Author 
Author affiliation: National Institute of Infectious Diseases, Tokyo, Japan (A. Nishino, K. Tatemoto, K. Ishijima, Y. Inoue, E. Park, T. Yamamoto, M. Taira, Y. Kuroda, M. Virhuez-Mendoza, M. Harada, K. Maeda); Yamaguchi University, Yamaguchi, Japan (A. Nishino, T. Yamamoto, M. Harada, A. Takano, H. Shimoda, K. Maeda); Yamashina Institute for Ornithology, Chiba, Japan (N. Nakamura, G. Morimoto); Hokkaido Institute of Public Health, Hokkaido, Japan (H. Yamaguchi); Hokkaido University, Hokkaido (T. Ariizumi, K. Matsuno)

Main Article

Table 1

Virus prevalence in tick species collected in an investigation of transboundary movement of Yezo virus via ticks on migratory birds, Japan, 2020–2021

Species
 No. ticks examined
 No. pools examined
 No. positive pools
 Minimum infection rate, %
Ixodes persulcatus
Larva 1,727 193 3 0.2
Nymph
 596
 137
 5
 0.8
I. pavlovskyi
Larva 169 30 0 0
Nymph
 34
 19
 0
 0
I. turdus
Larva 0 0 0 0
Nymph
 1
 1
 0
 0
Haemaphysalis megaspinosa
Larva 3 2 0 0
Nymph
 0
 0
 0
 0
H. concinna
Larva 3 2 0 0
Nymph
 1
 1
 0
 0
Total 2,534 385 8 0.3

Main Article

Page created: November 15, 2024
Page updated: November 26, 2024
Page reviewed: November 26, 2024
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