What is Ebola? Ebola is an infectious, often fatal virus. For more complete information, here is everything you need to know about Ebola virus.

A nurse working with the World Health Organization (WHO) shows a bottle containing Ebola vaccine at the town all of Mbandaka on May 21, 2018 during the launch of the Ebola vaccination campaign. - The death toll in an outbreak of Ebola in the Democratic Republic of Congo (DRC) rose to 26 on May 21, 2018, after a person died in the northwest city of Mbandaka, the government said, as it began vaccinating first responders against the dreaded disease. (Photo by Junior D. KANNAH / AFP) (Photo credit should read JUNIOR D. KANNAH/AFP/Getty Images)