Three Liberian health workers receiving an experimental drug for Ebola are showing signs of recovery, officials said Tuesday, though medical experts caution it is not certain if the drug is effective. The World Health Organization said that the death toll for West Africa's Ebola outbreak has climbed past 1,200 but that there are tentative signs that progress is being made in containing the disease. The three Liberians are being treated with the last known doses of ZMapp, a drug that 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 in a statement, adding that the patients are showing "very positive signs of recovery."
Experts have said it is unclear if ZMapp, which had never before been tested in humans, is effective. Even if it is, the California-based maker has said more supplies won't be available for months.
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