传染性

chuán rǎn xìng qiáng

传染性强

high infectiousness

chuán rǎn xìng jí bìng

传染性疾病

infectious disease

liú gǎn de chuán rǎn xìng fēi cháng gāo

流感的传染性非常高。

Flu is highly infectious.