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淄博市于1989、1992、1995和1997年对不同年龄健康人群进行了4次麻疹抗体水平监测,采用微量血凝抑制试验(HI),共随机抽查1251人,HI抗体总阳性率为89.21%,GMT为9.06±2.73.各年阳性率为84.13%～93.56%,GMT为5.47± 2.19～27.66±2.80,变化无明显规律性,但年度间阳性率和GMT差异有非常显著性(x~2=18.52,P<0.05 F=12.55 P<0.01).各年龄组间阳性率为85.00%～91.78%,以8～10岁最高,15～19岁最低,变化无明显规律性,差异无显著性(x~2=6.70,P>0.25);GMT为5.45±2.37～21.05±2.85,从<2岁组至15～19岁组,随年龄增
In 1989, 1992, 1995 and 1997, measles antibody levels were detected in healthy population of different ages in Zibo City for 4 times. A total of 1251 randomly selected subjects were tested for HI using a microhematical hemagglutination inhibition test (HI). The total positive rate of HI antibody was 89.21% GMT was 9.06 ± 2.73.The positive rate of each year was 84.13% -93.56%, GMT was 5.47 ± 2.19 ~ 27.66 ± 2.80, but there was no obvious regularity, but the positive rate of year and GMT was very significant (x ~ 2 = 18.52, P <0.05, F = 12.55, P <0.01) .The positive rate of each age group was 85.00% ~ 91.78%, the highest was 8 ~ 10 years old and the lowest was 15 ~ 19 years old, with no obvious change x2 = 6.70, P> 0.25). The GMT was 5.45 ± 2.37 ~ 21.05 ± 2.85, ranging from <2 years old to 15-19 years old