Table 1.

The number of acute gastroenteritis outbreaks associated with noroviruses reported in 12/31 provinces of China from 2006 to 2016.

Province	2006	2008	2009	2010	2011	2012	2013	2014	2015	2016	Total (%)
Anhui	0	0	0	0	0	0	0	1	2	1	4 (3.0)
Chongqing	0	0	0	0	0	0	0	2	0	2	4 (3.0)
Fujian	0	0	0	0	0	0	2	1	0	1	4 (3.0)
Guangdong	0	0	0	0	0	0	9	15	33	6	63 (47.7)
Guangxi	0	0	0	0	0	0	0	0	1	0	1 (0.8)
Hainan	0	0	0	0	0	0	0	0	1	1	2 (1.5)
Hebei	0	0	0	0	0	0	0	0	1	0	1 (0.8)
Hubei	0	0	0	0	0	0	0	0	4	0	4 (3.0)
Hunan	0	0	0	0	0	0	1	0	2	0	3 (2.3)
Jiangsu	0	0	0	0	0	0	0	6	9	2	17 (12.9)
Tianjin	0	0	0	0	0	0	0	0	1	0	1 (0.8)
Zhejiang	1	5	2	1	1	3	1	5	7	2	28 (21.2)
Total (%)	1 (0.8)	5 (3.8)	2 (1.5)	1 (0.8)	1 (0.8)	3 (2.3)	13 (9.8)	30 (22.7)	61 (46.2)	15 (11.3)	132 (100.0)