猩红热的接触传染性很强。Scarlet fever is highly contagious.流感的传染性很高。Flu is highly infectious.这个病人仍具有传染性.The patient is still infectious....

“传染性”的拼音为：chuán rǎn xìng...

“传染性”的英语可以翻译为：[免疫] infectivity，infectiousness ...