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Volume 26, Number 3—March 2020
Synopsis

Norovirus Outbreak Surveillance, China, 2016–2018

Miao Jin1, Shuyu Wu1, Xiangyu Kong, Huaping Xie, Jianguang Fu, Yaqing He, Weihong Feng, Na Liu, Jingxin Li, Jeanette J. Rainey, Aron J. Hall, Jan Vinjé, and Zhaojun DuanComments to Author 
Author affiliations: Chinese Center for Disease Control and Prevention, Beijing, China (M. Jin, X. Kong, N. Liu, J. Li, Z. Duan); US Centers for Disease Control and Prevention, Beijing (S. Wu, J.J. Rainey); Guangzhou Center for Disease Control and Prevention, Guangzhou, China (H. Xie); Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China (J. Fu); Shenzhen Center for Disease Control and Prevention, Shenzhen, China (Y. He); Wuxi Center for Disease Control and Prevention, Wuxi, China (W. Feng); US Centers for Disease Control and Prevention, Atlanta, Georgia, USA (A.J. Hall, J. Vinjé)

Main Article

Table 1

Genotype of cases in 556 norovirus outbreaks reported to CaliciNet China, October 2016–September 2018

Genotype No. outbreaks with known size No. cases or range Median no. cases
GII.1[P33] 1 43 43
GII.2[P2] 1 15 15
GII.2[P16] 262 3–236 18
GII.3[P12] 21 3–72 7
GII.4 Sydney[P31] 7 3–50 43
GII.6[P7] 12 4–72 12
GII.8[P8] 2 11–13 12
GII.13[P21] 1 14 14
GII.14[P7] 0 0 0
GIX.1[P15] 1 17 17
GII.17[P17] 14 3–360 33
GII.17[P31] 2 6 6
GII untypeable 11 7–115 15
GI.1[P1] 0 0 0
GI.2[P2] 11 5–122 31
GI.3[P13] 5 5–72 16
GI.5[P12] 1 5 5
GI.6[P11] 5 6–117 30
Multiple genotypes 11 5–348 60
Not determined* 59 3–106 10
Total 427 3–360 15

*The genotyping reverse transcription PCR for these outbreaks was not conducted by network laboratories.

Main Article

1These authors contributed equally to this article.

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Page updated: February 20, 2020
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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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