The safety and adverse effects of ganciclovir(GCV) in treatment of CMV infected pediatric patients were examined. Thirty-two cases of pediatric patients with active CMV infection were treated with GCV.Paired-sample t-test was conducted to determine the effects of GCV on the blood counts and the liver/renal functions,which were examined several times before and after the treatment.The adverse effects during the treatment were observed and documented. The GCV had no evident effect on the blood counts fo...