The page below is a sample from the LabCE course Ebola Virus Disease (EVD) and Clinical Laboratory Safety in the United States. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Ebola Virus Disease (EVD)

EVD was previously known as Ebola hemorrhagic fever. EVD causes a severe and often fatal viral hemorrhagic fever in humans and other nonhuman primates (eg, monkeys). Infection with the Ebola virus is acute, lasting about two weeks.
Since the World Health Organization (WHO) was notified of the first EVD cases in March 2014, the current outbreak in West Africa has involved more cases and deaths than all other outbreaks combined. The WHO declared this recent outbreak a "public health emergency of international concern" on August 8, 2014.
Of the five currently known species of Ebola virus, four cause disease in humans:

SpeciesAbbreviationCommon Name
Causes Disease
in Humans/Comments
Zaire ebolavirus
EBOVEbola virus Yes; highest case-fatality rate
Sudan ebolavirus
SUDV Sudan virus Yes
Taï Forest ebolavirusTAFVTaï Forest virusYes; formerly known as Côte d’Ivoire ebolavirus
Bundibugyo ebolavirus
BDBVBundibugyo virusYes
Reston ebolavirusRESTVReston virusNo; has caused asymptomatic infections