CLEAN : Liberia emerges from nightmare of Ebola

The video discusses the current status of Ebola in Liberia, highlighting the achievement of reaching 42 days without a new case, a significant national milestone. It acknowledges the efforts of the World Health Organization and the Liberian government, emphasizing the importance of community involvement and social mobilization in combating the virus. The video also stresses the need for continued vigilance to ensure the country remains Ebola-free and can focus on development.

What message did the director general of the World Health Organization convey?

What does reaching zero cases signify in the context of the text?