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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 2

Antigenic analysis of H3N2 subtype canine influenza viruses, China, 2009–2017*

Antigenic group and virus
 HI titer, by antigenic group and antiserum
A, 814/2009
 A, 362/2009
 B, 0110-2/2014
 B, 0118-256/2015
 B, 0120-265/2015
 C, 1228-9/2016
 C, 0512-13720/17
 C, 0527-147/2017
A
814/2009 1,280† 1,280 1,280 160 320 320 320 160
1527/2009 640 1,280 2,560 320 160 320 320 320
1579/2009 640 2,560 1,280 160 160 320 320 320
362/2009
 640
 1,280†
 1,280
 320
 160
 320
 160
 160
B
1215-34/2012 160 640 1,280 160 640 1,280 640 1,280
0203-342/2013 320 640 640 640 640 640 1,280 320
1207-365/2013 320 640 1,280 640 1,280 640 1,280 640
0110-2/2014 640 2,560 1,280† 640 320 1,280 640 640
0118-256/2015 320 640 1,280 1,280† 640 640 320 320
0120-265/2015 640 640 1,280 640 1,280† 640 320 640
0124-300/2015
 320
 1280
 1280
 640
 640
 160
 640
 640
C
1228-9/2016 80 80 80 160 1,280 1,280† 640 640
0424-102/2017 80 80 320 80 160 640 640 1,280
0512-120/2017 80 80 320 160 320 640 1,280 1,280
0512-133/2017 80 40 320 40 160 640 640 1,280
0512-137/2017 160 80 320 160 320 1,280 1,280† 640
0527-148/2017 80 80 320 80 320 640 2,560 1,280
0527-146/2017 80 40 320 80 320 640 640 640
0527-147/2017 80 320 320 160 160 2,560 1,280 1,280†
0601-159/2017 80 40 320 80 160 640 640 640
0610-173/2017 40 40 320 80 160 640 640 640
0721-36/2017 80 40 320 80 160 640 640 640

*Virus names are abbreviated as serial number and year. HI titers are the inverse of the highest dilution that inhibited hemagglutination. Cells containing moderate HI titers (160, 320) are shaded gray and high titers (>640) black. Low HI titers (40, 80) were not shaded. HI, hemagglutinin inhibition.
†Homologous titers.

Main Article

1These authors contributed equally to this article.

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