The death toll from West Africa's Ebola outbreak has risen to 932 after 45 patients died from Aug 2 to Aug 4, the World Health Organization said in a statement.

The number of suspected, probable or confirmed cases rose by 108 over the same period to a total of 1,711. Most of the newly reported deaths were in Liberia while the number of cases in Nigeria climbed from 4 to 9, including one previous death.