Sent_en: 2zh Production of antiviral vaccines has been slower than initially predicted, and it is likely that the US government's targets for delivery won't be met by drug makers, according to Thomas Frieden, the director of the Centers for Disease Control and Prevention.
Sent_yy: 根据疾病控制和预防中心主任，托马斯·弗赖顿的说法，抗病毒疫苗的生产速度比最初预测的要慢，药物制造商很可能无法实现政府的交付目标。