H2 strain attenuated live hepatitis A vaccines: Protective efficacy in a hepatitis A outbreak

Table 1 Status of H2 strain vaccines vaccination in Fucheng county in May 1997

Towns	No. of villages	Whole population	Population aged 1-15	No. of trial villages	Vaccine group	Control group
Fucheng	79	50847	11815	28	1224	1457
Manhe	38	26958	6563	31	560	920
Gucheng	76	40083	8375	44	694	1087
Cuimiao	84	40818	8931	40	1155	1133
Matou	82	37005	8817	32	653	352
Xiakou	56	29030	7123	14	265	297
Wangji	58	21468	5607	32	431	525
Dabai	46	19154	4369	16	201	344
Jianqiao	39	17440	4437	8	196	109
Jiangfang	57	24200	5717	10	172	260
Total	615	307003	71754	255	5551	6485