摘要
目的 观察连续大面积接种流行性乙型脑炎活疫苗的流行病学效果。方法 连续观察11年接种 乙脑活疫苗的182715人次的乙脑发病率。结果11年内均未出现异常反应,总发病率由接种前的21.89/10万下降 到2/10万左右,保护率为98.99%。结论 进一步证明乙脑活疫苗安全有效。
Objective To observe the long term epidemiological effect of large field inoculation of live attenuated Japanese encephalitis(JE) vaccine. Methods The morbidity of JE was observed in the 182715 subjects inoculated with live SE vaccine during the past 11years.Results The total morbidity of JE in the subjects decreased from 21. 89/100 000 to about 2/100 000, and no adverse reaction xas observed during the past 11 years. The protective rate of the vaccine was 98.99% . Conclusion The study further proved that live at-tenuated SE vaccine was safe and effective.
出处
《中国生物制品学杂志》
CAS
CSCD
2001年第3期183-185,共3页
Chinese Journal of Biologicals
关键词
流行性乙型脑炎
减毒活疫苗
流行病学
Japanese encephalitis Live attenuated vaccine Epidemiological effect