The resurgence of the norovirus GII.4 variant associated with sporadic gastroenteritis in the post-GII.17 period in South China, 2015 to 2017

Table 1 Positive rates and distribution of NoVs genotypes detected in South China, from 2015 to 2017

Year	Samples collected	Positive samples	Positive samples of different genotypes
Year	Samples collected	Positive samples	GI.6	GII.3	GII.4	GII.8	GII.17
2015	61	5 (8.20%)			4 (6.56%)		1
2016	91	26 (28.57%)	1	4	19 (20.88%)		2
2017	65	12 (18.46%)			10 (15.38%)	1	1
Total	217	43 (19.82%)	1	4	33 (15.21%)	1	4

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