3. 第一部分什么是冠状病毒Your content is entered here, or by copying your text, select Paste in this box and choose to retain only text. Your content is typed here, or by copying your text, select Paste in this box.
8. 第二部分感染患者临床表现Your content is entered here, or by copying your text, select Paste in this box and choose to retain only text. Your content is typed here, or by copying your text, select Paste in this box.
12. 第三部分此次疫情病历特点Your content is entered here, or by copying your text, select Paste in this box and choose to retain only text. Your content is typed here, or by copying your text, select Paste in this box.
16. 第四部分如何预防感染Your content is entered here, or by copying your text, select Paste in this box and choose to retain only text. Your content is typed here, or by copying your text, select Paste in this box.