Pinyin/Pneumonia

Pneumonia is an infection of lungs that is most commonly caused by viruses or bacteria. These infections are generally spread by direct contact with infected people.

Fèiyán shì yī zhǒng yǐngxiǎng fèibù de jíxìng hūxīdào gǎnrǎn, kě yóu bìngdú, xìjūn huò zhēnjūn yǐnqǐ. Fèiyán yībān tōngguò yǔ gǎnrǎnzhě zhíjiē jiēchù chuánbō.