Volume 26, Number 3—March 2020
Synopsis
Norovirus Outbreak Surveillance, China, 2016–2018
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.
1These authors contributed equally to this article.
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