| ID | 原文 | 译文 |
| 49810 | 病毒的动物来源和天然宿主 | Animal origin and natural reservoir of the virus |
| 49811 | 初始阶段的动物到人的感染过程 | Human-animal interface of the original event |
| 49812 | 早期暴露史不详的病例 | Early cases whose exposure could not be identified |
| 49813 | 二、致病机理与病毒毒力 | The pathogenesis and virulence evolution of the virus |
| 49814 | 三、传播动力学 | Transmission dynamics |
| 49815 | 传播模式 | Modes of Transmission: |
| 49816 | 非医疗卫生环境中的气溶胶传播作用 | Role of aerosol transmission in non-health care settings |
| 49817 | 粪-口传播的作用 | Role of fecal-oral transmission |
| 49818 | 疾病不同临床进程的不同类型标本的排毒情况（上、下呼吸道，唾液，粪便，尿液） | Viral shedding in various periods of the clinical course in different biological samples (i.e. upper and lower respiratory tract, saliva, faeces, urine) |
| 49819 | 发病前和无症状感染者 | Before symptom onset and among asymptomatic cases |