Created by CDC microbiologist Cynthia Goldsmith, this colorized transmission electron microscopic -TEM- image revealed some of the ultrastructural morphology displayed by an Ebola virus virion.
This graph produced by CDC's Division of Creative Services lists all Ebola outbreaks since 1976, including the West African outbreak-the largest in history.
The suspected first case of the outbreak is a 2-year old child who died in Meliandou in Gueckedou. Scientists believe this to be the epidemic's "ground zero."
CDC sends a team of five people to Guinea to collect and review epidemiologic data, meet with partners, and provide risk communication consultation for Ebola.
Sierra Leone closes its borders with Liberia and Guinea, and closes a number of schools around the country in a bid to halt the spread of the Ebola virus. CDC sends subject matter experts to Sierra Leone.