Table 4.

Haemolysin Genes of Vibro parahaemolyticus Isolates from Patients with Acute Diarrhoea in Southeastern China from 2013 to 2017

Year	Total (n=1220)	Haemolysin Genes (%)
		tdh+trh− (n= 1150)	tdh+trh+ (n= 13)	tdh−trh+ (n=6)	tdh−trh− (n=51)
2013	204	194(95.1)	1(0.5)	2(1.0)	7(3.4)
2014	205	192(93.7)	1(0.5)	2(1.0)	10(4.9)
2015	142	136(95.8)	3(2.1)	1(0.7)	2(1.4)
2016	266	250(94.0)	3(1.1)	0(0.0)	13(4.9)
2017	403	378(93.8)	5(1.2)	1(0.2)	19(4.7)

Notes: ⁺ positive, presence of the gene; ⁻ negative, absence of the gene.