人体缺锌时,易于发生各种感染,尤其是婴幼儿更易反复发生呼吸道感染性疾病,且往往影响其生长发育.1988年3月至1990年2月。我们对30例反复性呼吸道感染的婴幼儿(指急性呼吸道感染性疾病每月发生1～2次或每年发生5次以上者)试用锌剂防治,取得良好效果,报道如下.临床资料本组共30％,男16例,女14例,年龄均为3岁以内的婴幼儿,其中小于1.5岁者13例。 Zinc deficiency in the human body, prone to various infections, especially infants and young children more prone to recurrent respiratory tract diseases, and often affect their growth and development. March 1988 to February 1990. We have 30 cases of repeated respiratory infections in infants and young children (acute respiratory infections occur once or twice a year or more than 5 times per year) trial of zinc prevention and treatment, and achieved good results reported as follows. 30%, 16 males and 14 females, all of whom were infants under 3 years old, of whom 13 were less than 1.5 years old.