The three were treated with the last few doses of ZMapp, which had earlier been given to two infected Americans and a Spaniard. The Americans are also improving, but the Spaniard died.
“The medical professionals have informed the Liberian information ministry their progress is ‘remarkable’,” the ministry said, adding that they are showing “very positive signs of recovery”.
Experts are cautious about ZMapp, which has never before been tested in humans. The Californian manufacturer also warns more supplies will not be available for months.
More than 1,200 people have died from Ebola in Guinea, Liberia, Sierra Leone and Nigeria in the current outbreak and more than 2,200 have been been struck down by the disease.