对乡村婴儿卡介苗初免效果的考核

Examination of the effectiveness of the first B. C. G.immunization in the Infants of Rural areas

１９９１年对原揭阳县两个镇５６４名乡村婴儿卡介苗初免效果进行考核．克后１２周结素试验阳转率７３．２３％．卡疤阳性率９５．２１％．卡疤均径越大．结素试验阳转率越高．卡疤均径利结素反应强度之间呈正相关和回归关系。接种前接种人员经培训的渔湖镇结素试验阳转率（７９．６１％）高于未培训的曲溪镇（６１．４％）。表明接种技术是提高免疫效果的重要因素。

The examination of effectiveness of the first B. C. G. immunization was carried out in 561 infants in two towns of Jie Yang county in 1991.The positive rate of tuberculin test of 73. 23 % was obtained 12 weeks after vaccination. The positive rate of B. C. G. scar was 95. 21 %. the larger diameter of the B. C. G. scar. the greater positive rate of tuberculin test. There was positive correlation between mean dianeter B. C. G. scar and reactive intensity of tuberculin test. The positive rate (79. 61%) of tuberclin test in Yuhu town which the vaccinators had been trained was higher than that (61. 11%) in Quxi town which the vaccinatours were untrained. Which indicated that the Skills of vaccination is an important factor of effective immunization.