•Ebola virus belongs to a family of zoonotic RNA viruses, called Filoviridae, named after their long threadlike appearance, as shown in the colorful electron microscopy image.
 

•Ebola, previously known as Ebola hemorrhagic fever, is a rare and deadly disease caused by infection with one of the Ebola virus species (Zaire, Sudan, Bundibugyo, or Tai Forest virus).

•Photo: Created by CDC microbiologist Cynthia Goldsmith, this colorized transmission electron micrograph (TEM) revealed some of the ultrastructural morphology displayed by an Ebola virus virion.