然而，美国疾病控制预防中心表示正在调查一种病毒感染和小头畸形症之间的联系。

However, the CDC says the link between a virus infection and microcephaly is being investigated.

youdao

然而，美国疾病控制预防中心表示正在调查一种病毒感染和小头畸形症之间的联系。

However, the CDC says the link between a virus infection and microcephaly is being investigated.

youdao