流感是一种常见的传染病。
liúgǎn shì yīzhǒng chángjiàn de chuánrǎn bìng 。
Influenza is a common infectious disease.
医生提醒我们要注意预防传染病。
yīshēng tíxǐng wǒmen yàozhùyì yùfáng chuánrǎn bìng 。
The doctor reminds us to pay attention to preventing infectious diseases.
传染病的传播方式有很多。
chuánrǎn bìngde chuánbō fāngshì yǒu hěnduō 。
There are many ways that infectious diseases can spread.