我区某冶炼厂1988年新建了硫酸锌生产车间,当年投入批量生产。1991年6月18日改用云南省某厂生产的廉价氧化锌代替锌灰做原料。6月21日,1名工人因困乏无力,不思饮食,尿色深黄,皮肤和巩膜黄染到厂医务室就诊,诊断为“黄疸型肝炎”,经当地传染病院化验“肝功正常”,令其回家休 A smelter in our district built a zinc sulfate workshop in 1988 and put into mass production that year. June 18, 1991 switch to a factory in Yunnan Province, cheap zinc oxide instead of zinc as raw material. On June 21, a worker was diagnosed as “jaundice hepatitis” due to lack of sleepiness, poor diet, deep yellow urine, yellow skin and sclera, and was diagnosed as “jaundice hepatitis.” Hepatology was normalized by the local infectious hospital , Let it go home to rest