通过克山病区和非病区健康儿童、克山病人及感染病人的对比研究,发现病区儿童不仅发硒、GSH—px低,而且SOD、Cat活性也低,提示病区除硒贫乏外,还存在其他发病因素。该因素可能与膳食有关。本研究还提示,病毒感染可能是发病的一个重要条件因素。 By comparing the Keshan ward and non-ward healthy children, Keshan patients and infected patients, it was found that children in the ward not only selenium, GSH-px low, but also SOD, Cat activity is low, suggesting that the ward in addition to poor selenium , There are other risk factors. This factor may be related to the diet. The study also suggests that viral infection may be an important condition for morbidity.