英语听力论坛's Archiver

yunyou 发表于 2007-9-21 19:04

What is the infectious agent that causes Ebola hemorrhagic fever?




                        
         
        
        What is the infectious agent that causes

      Ebola hemorrhagic fever?

  

  

   

      <p> 

      <p>Ebola hemorrhagic fever is caused by several Ebola viruses. Ebola viruses are members of the filovirus family; when magnified several thousand times by an electron

      microscope, these viruses look like threads (filaments). Ebola virus was discovered in 1976 and named for a river in Zaire, Africa, where it was first detected.</p>

      <p> </p>

      <p> </p>

      <p align="center">
        
         
         
         
        
        
         
            


页: [1]

Powered by Discuz! Archiver 7.2  © 2001-2009 Comsenz Inc.