Table 3. The seroconversion rates of anti-HEV antibody after vaccination.

Groups (No.)	HEV 239 (μg)	The seroconversion rates of anti-HEV antibody (%)
		1 weeka	4 weekb	5 weekc
E (6)	2×10	2/6(33.3)	5/6(83.3)	6/6(100)
F (6)	2×5	1/6(16.7)	4/6(66.7)	6/6(100)
G (6)	2×0	0/6(0)	0/6(0)	0/6(0)

^aA week after the first immunization.

^bBefore the second immunization.

^cA week after the second immunization.