A large outbreak of acute gastroenteritis caused by the human norovirus GII.17 strain at a university in Henan Province, China

Table 1 Numbers of reported noroviruses cases by gender, residence, age group and year

Department	No. of students	No. of cases	Attack rate (%)	Gender of cases		Grade of cases
Department	No. of students	No. of cases	Attack rate (%)	Male	Female	1-2	3-4
Electronics School	1 246	51	4.09	31	20	41	10
International Education College	1 418	61	4.30	32	29	31	30
Traditional Chinese Medicine College	1 609	32	1.99	18	14	10	22
Mechanics Institute	1 615	34	2.11	21	13	26	8
Computer and Information Engineering College	896	31	3.46	17	14	26	5
Architecture School	849	43	5.06	23	20	29	14
Economics and Management College	1 415	74	5.23	40	34	29	45
Software School	3 720	114	3.06	68	46	72	42
Biological and Chemical Engineering College	1 092	39	3.57	23	16	20	19
Mathematics and Physics College	419	14	3.34	7	7	8	6
Civil Engineering College	1 381	45	3.26	27	18	39	6
Foreign Languages School	606	30	4.95	13	17	2	28
Humanities and Law College	1 342	74	5.51	41	33	26	48
Art Institute	1 710	76	4.44	42	34	32	44
Music College	599	31	5.18	22	9	12	19
Education College	1 363	2	0.15	1	1	1	1
Total	21 280	751	3.53	426	325	404	347

ISSN: 2049-9957