摘要
从4个观察点筛选出ALT正常、抗HAV阴性、无禁忌症的4~18岁易感者508名,进行了5个不同批号的甲型肝炎减毒活疫苗(H2株)人体接种观察。接种疫苗后3天内每日观察接种反应,所有接种者无局部及全身反应。1个月随访期间未见与肝炎有关的副反应。免后8~12周抗体阳转率为88.7%~91.5%,GMT为2.73~4.88%。3~5周HAVIgM阳转率为3.6%~18.1%。收集了32名志愿者的大便205份,用KMB17细胞分离,阳性98份,分离率47.8%。32人中有30人排毒,排毒率93.8%。
ive hundred and eight serumnegative volunteers with ALT normal,4~18years old have been selected from four trial fields and inoculated with five different lots of live attenuated hepatitis A vaccine.Within 3 days,no local and systematic abnormality as well as within 1 month no side effect related to hepatitis was observed.The rates of seroconversion reached 887%~915% 8~12 weeks postinoculation and GMTs were 273~488.The seroconversion rates of HAV IgM for 3~5 weeks were 36%~181%.The human diploid cells KMB 17 was used to isolate HAV in feces.With 205 samples collected from 32 volunteers,98 30 showed positive the rates of isolation and fecal virusshedding reached 478%and 938%repectively.
出处
《中国公共卫生》
CAS
CSCD
北大核心
1998年第7期385-387,共3页
Chinese Journal of Public Health
基金
美国中华医学基金
关键词
甲型肝炎
减毒活疫苗
免疫学
Live attenuated hepatitis A Vaccine Inoculation reaction Immune effect Virus isolation