Pinyin/Common cold

A common cold is an easily spread infectious disease of the upper breathing system. It mainly infects the nose and throat. The symptoms include cough, painful throat, running nose, and fever. These symptoms usually last 7-10 days, but sometimes up to 3 weeks. More than 200 different viruses can cause the common cold, but rhinoviruses are the most common cause. Shāngfēng shì shàng-hūxī-xìtǒng de róngyì chuánbō de chuánrǎnbìng, zhǔyào gǎnrǎn bízi hé hóulóng. Zhèngzhuàng bāokuò késòu, hóulóngtòng, liúbítì, hé fāshāo; tōngcháng chíxù 7-10 tiān, yǒushí chángdá 3 gè xīngqī. Chāoguò 200 zhǒng bìngdú néng dǎozhì shāngfēng, zuì chángjiàn de shì bíbìngdú. Category:Pinyin/Biology Category:Pinyin/Health Category:Pinyin/Disease