Ebola Virus Disease (EVD)
Ebola disease is caused by the Ebola virus and is one of a number of hemorrhagic fever diseases. Ebola disease causes severe illness in which 50-90 percent of those infected die.
The 2014 Ebola epidemic is the largest in history and is affecting multiple countries in West Africa (multiple countries (http://www.cdc.gov/vhf/ebola/outbreaks/2014-west-africa/distribution-map.html#areas). Two imported cases, including one death, and two local acquired cases in healthcare workers have been reported in the United States, and one confirmed case has been reported in Spain.