Ebola first discovered in Democratic Republic of Congo in 1976. Formely known as Zaire Ebola virus. In 2014 ebola virus outbreak started in Nzerekore, remote area of south-eastern Guinea and spread to Liberia, Sierra Leonne and Nigeria. Spread through close physical contact with infected people.
According to WHO (World Health Organisation) initial symptoms include sudden fever, intense weakness, muscle pain, and sorethroat. ZMapp, an experimental drug was used for some people and the drug was developed by Mapp Biopharmaceutical Inc.,