The incubation period for Ebola is usually 5 to 18 days but may extend from 2 to 21 days depending on the species of the virus.
Ebola virus is hemorrhagic disease, that is massive, difficult to control bleeding. The bleeding occurs even without a wound.
The Ebola virus hemorrhagic disease symptoms in individuals are:
- high fever
- nausea and vomiting
- muscular pain
- general malaise
- inflammation of the pharynx (throat)
- diarrhea with bloody discharge
- development of maculopapular rashes (discolored skin with bumps)
- with bleeding at body orifices.
Specific human symptoms of Zaire Ebola virus and Sudan Ebola virus:
- Abdominal pain
- joint pain
- chest pain
- coagulopathy (slow clotting of cuts)
- low blood pressure
- sclerotic arterioles (clogging arteries)
- purpura (skin discoloration that will not blanch under pressure)
- petechia (patches of broken capillaries beneath the skin)