Surveillance for foodborne disease outbreaks in Zhejiang Province, China, 2015–2020

BMC Public Health

Table 2 Number and percentage of foodborne disease outbreaks, illnesses, hospitalizations, and deaths, by etiology, Zhejiang Province, 2015–2020

Etiology	Outbreaks		Illnesses		Hospitalizations		Deaths
Etiology	Number	%	Number	%	Number	%	Number	%
Bacterial	410	42.62	4991	53.88	546	46.1	3	15
Vibrio parahaemolyticus	232	24.12	2472	26.69	181	15.29	1	5
Salmonella	81	8.42	1032	11.14	231	19.51	0	0
Diarrheogenic Escherichia coli	25	2.6	727	7.85	6	0.51	0	0
Staphylococcus aureus	24	2.49	288	3.11	67	5.66	0	0
Bacillus cereus	21	2.18	200	2.16	34	2.87	1	5
others	15	1.56	183	1.98	8	0.68	0	0
Proteusbacillus vulgaris	8	0.83	57	0.62	17	1.44	0	0
Pseudomonas cocovenenans subsp farinofermantans	2	0.21	4	0.04	2	0.17	1	5
Aeromonas	2	0.21	28	0.3	0	0	0	0
Poisonous mushroom	162	16.84	607	6.55	210	17.74	15	75
Plant toxins	53	5.51	365	3.94	52	4.39	2	10
Undercooked Phaseolus/Saponin	14	1.46	177	1.91	20	1.69	0	0
Tung oil or seed	5	0.52	31	0.33	2	0.17	0	0
Aconitine	3	0.31	19	0.21	10	0.84	0	0
Bitter bottle gourd	8	0.83	46	0.5	1	0.08	0	0
Colchicine	4	0.42	23	0.25	0	0	0	0
Datura/hyoscyamine	2	0.21	6	0.06	5	0.42	0	0
Others	17	1.77	67	0.72	14	1.18	2	10
Animal toxins	17	1.77	72	0.78	12	1.01	0	0
Tetrodotoxin	7	0.73	17	0.18	9	0.76	0	0
Histamine	3	0.31	35	0.38	1	0.08	0	0
Others	7	0.73	20	0.22	2	0.17	0	0
Chemical agents	37	3.85	223	2.41	89	7.52	0	0
Nitrite	20	2.08	157	1.69	67	5.66	0	0
Pesticides	5	0.52	27	0.29	5	0.42	0	0
Lead	8	0.83	30	0.32	10	0.84	0	0
Veterinary drugs	3	0.31	7	0.08	6	0.51	0	0
Methanol	1	0.1	2	0.02	1	0.08	0	0
Virus	20	2.08	279	3.01	3	0.25	0	0
Norovirus	15	1.56	195	2.11	3	0.25	0	0
Others	5	0.52	84	0.91	0	0	0	0
Multiple etiologies	3	0.31	11	0.12	0	0	0	0
Unknown etiology	260	27.03	1772	19.13	116	9.8	0	0
Total	962	100.00	9263	100.00	1184	100.00	20	100

ISSN: 1471-2458