养在户外笼子里的鸟对空气传播的病毒有免疫力。

Birds in outside cages develop immunity to airborne bacteria.

《柯林斯英汉双解大词典》

季节性流感由适应在人类中传播的病毒引起。

Seasonal influenza is caused by viruses that are adapted to spread in humans.

youdao

黄热病由蚊子传播的病毒引起。

Yellow fever is caused by a virus transmitted by mosquitoes.

youdao

But I was working on research involving detection of worms, viruses and the spread thereof.

但我从事的研究涉及到蠕虫的检测，病毒及其传播。

哈佛公开课 - 计算机科学课程节选

So, now you have to be very promoted, marketed the right way online, as far as viral,

所以，你现在必须在网上以正确的方式做好宣传，做好营销，像病毒传播一样，

音乐市场的变化！ - SpeakingMax英语口语达人

They take it, the vaccine itself, the virus, reproduces in their gut and they can actually spread it to other children in the same way that they spread the disease where you've got children that are maybe at school or at childcare.

他们服用了疫苗,则疫苗菌本体,病毒本体便在他们的体内进行繁殖,实际它们以同样方法传播到其他孩子体内,当你去学校或者幼儿园,接你的孩子的时候,这些病毒正在传播

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