虽然已知一些有基础性疾病(含妊娠)患者面临的风险更高，但是许多重症病例发生在以往健康的年轻人身上。

While people with certain underlying medical conditions, including pregnancy, are known to be at increased risk, many severe cases occur in previously healthy young people.

youdao

虽然已知一些有基础性疾病(含妊娠)患者面临的风险更高，但是许多重症病例发生在以往健康的年轻人身上。

While people with certain underlying medical conditions, including pregnancy, are known to be at increased risk, many severe cases occur in previously healthy young people.

youdao