This article emphatically introduces AIDS, SARS, avian influenza, BSE, Ebola hemorrhagic fever, West Nile Virus and HPS hemorrhagic fever.

• 本文重点介绍艾滋病、非典、禽流感、疯牛病、埃博拉出血热、西尼罗病毒、汉坦病毒肺综合征出血热。