西北某部战士人群流感抗体连续四年的检测

Detecting influenza virus antibody in soldier throng in northwest for 4 years

目的 了解西北某部战士人群流感抗体水平及其波动情况 ,探讨流感的流行趋势 ,为掌握流感病毒变异及预防提供基础资料。方法 用微量半加敏血凝抑制法对驻西北某部战士不固定人群进行了血凝抑制抗体的横向检测。结果 甲 3亚型流感抗体水平较高 ,波动也较大 ,1999年 4月、2 0 0 0年 4月抗体水平达到极限 ;甲 1亚型流感抗体水平存在严重的不均一性 ,乙型流感病毒流行株除 B/京防 / 184 / 97在 2 0 0 0年 4月抗体水平较高外 ,其余时间抗体水平都较低 ,波动也很小。结论 西北某部军营中 1997～ 2 0 0 0年同时流行甲 3亚型流感和甲 1亚型流感 ,甲 3亚型在 1999年春季和 2 0 0

Objective To find out the level of the influenza virus antibody of soldier throng in northwest and analyze influenza epidemic tendency. Methods Detecting the antibody level of 8 influenza virus standard strains of soldier throng from 1997 to 2000 with hemagglutination inhibition test, calculating the positive rate and GMT. Results A3 influenza virus antibody had high level and great fluctuation, attained a peak in spring of 2000; the level of A1 influenza virus antibody had great difference; B influenza virus antibody had low level and light fluctuation except spring of 2000. Conclusions A3 influenza virus and A1 influenza virus prevails simultaneously in northwest,there was a great prevalence in spring of 1999 and 2000.