West African leaders vow tough measures on Ebola

West African leaders will implement tough measures to control the worst-ever outbreak of the deadly Ebola virus, World Health Organization chief Margaret Chan said after meeting three of them on Friday. “The presidents recognize the serious nature of the Ebola outbreak in their countries. They are determined to take all the extraordinary measures to stop Ebola in their countries,” Chan said at the conclusion of the talks in the Guinean capital Conakry.