《新型冠状病毒感染的肺炎诊疗方案（试行第五版）》的中提到“
气溶胶传播途径尚待明确”，到底什么是气溶胶？让我们来了解一下：
参考文献：
1.Borunda, A. (2019). Aerosols, explained. [online] National Geographic. Available at:
https://www.nationalgeographic.com/environment/global-warming/aerosols/ [Accessed 13 Feb. 2020].
2.Cheprasov, A. (2019). Aerosol: Definition & Examples. [online] Study.com. Available at:
https://study.com/academy/lesson/aerosol-definition-examples.html [Accessed 13 Feb. 2020].
3.人民网 (2014). 科普阅读：雾、霾与气溶胶是什么关系？. [online] Politics.people.com.cn. Available at:
http://politics.people.com.cn/n/2014/0223/c70731-24437624.html [Accessed 13 Feb. 2020].
4.人民网 (2014).气溶胶：让空气像雾又像霾. [online] Politics.people.com.cn. Available
at:http://scitech.people.com.cn/n/2014/0318/c1007-24663657.html [Accessed 13 Feb. 2020].
