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Volume 25, Number 1—January 2019
Dispatch

Canine Influenza Virus A(H3N2) Clade with Antigenic Variation, China, 2016–2017

Yanli Lyu1, Shikai Song1, Liwei Zhou1, Guoxia Bing, Qian Wang, Haoran Sun, Mingyue Chen, Junyi Hu, Mingyang Wang, Honglei Sun, Juan Pu, Zhaofei Xia, Jinhua Liu, and Yipeng SunComments to Author 
Author affiliations: China Agricultural University, Beijing, China (Y. Lyu, S. Song, L. Zhou, Q. Wang, Haoran Sun, M. Chen, J. Hu, M. Wang, Honglei Sun, J. Pu, Z. Xia, J. Liu, Y. Sun); China Animal Disease Control Center, Beijing (G. Bing)

Main Article

Table 1

Possible mammalian adaptation related to amino acid substitutions in CIV H3N2, China, 2016–2017*

Category
Virus protein, amino acid position, amino acid (frequency, %)
Polymerase basic 2
Hemagglutinin
251
590
146
242
CIV H3N2, 2006–2015 K (89.19), R† (8.11), G (2.70) G (100) G (91.89), S (8.11) V (100)
CIV H3N2, 2016–2017 R† (100) S† (100) S (100) I (100)
Influenza virus A(H3N2) in humans R† (99.82), K (0.14), G (0.04) S† (89.76), G (10.06), N (0.14), T (0.04), R (0.01) S (99.57), G (0.42), F (0.01) I (99.29), V (0.39), M (0.20), T (0.08), L (0.03), K (0.02)
Influenza A(H1N1)pdm09 virus R† (98.99), K (0.99), I (0.02) S† (99.43), N (0.35), G (0.22) K (99.64), N (0.23), R (0.07), E (0.06) F (99.99), L (0.01)

*CIV, canine influenza virus.
†Known determinant for adaptation to mammals.

Main Article

1These authors contributed equally to this article.

Page created: December 17, 2018
Page updated: December 17, 2018
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