Ebola virus and Marburg virus
Ebola virus and Marburg virus are related viruses that may cause hemorrhagic fevers. These are marked by severe bleeding (hemorrhage), organ failure and, in many cases, death. Both viruses are native to Africa, where sporadic outbreaks have occurred for decades.
Ebola virus and Marburg virus live in animal hosts. Humans can get the viruses from infected animals. After the initial transmission, the viruses can spread from person to person through contact with body fluids or unclean items such as infected needles.
No drug has been approved to treat Ebola virus or Marburg virus. People diagnosed with Ebola virus or Marburg virus receive supportive care and treatment for complications. One vaccine has been approved for Ebola virus. Scientists are studying other vaccines for these deadly diseases.