In its statement, Spain's Health Ministry said "the medicine was imported from Geneva where there was one dose available in the context of an accord between the laboratory that developed the medicine, WHO and (Doctors Without Borders)."
It said Spain sought the drug under a Spanish law that permits the use of unauthorized medication for patients with a life-threatening illness who cannot be treated satisfactorily by authorized drugs.
At least two countries in West Africa have expressed interest in the drug. Nigeria's health minister, Onyenbuchi Chukwu, said last week he had asked U.S. health officials about access to it but was told the manufacturer would have to agree. Guinea also said Monday it would like to have some of the drug.
"Guinean authorities would naturally be interested in having this medicine," said Alhoussein Makanera Kake, spokesman for the government committee fighting Ebola.
Because the ZMapp drug has never been tested in humans, scientists say there's no way to tell if it has made any difference to the two American aid workers who have received it.
The drug is a mixture of three antibodies engineered to recognize Ebola and bind to infected cells so the immune system can kill them. Scientists culled antibodies from laboratory mice and ZMapp's maker now grows the antibodies in tobacco plants and then purifies them. It takes several months to even produce a modest amount of the drug.
The U.N. health agency planned to hold a news conference Tuesday to discuss the ethics meeting.
In other Ebola developments Monday:
— A Catholic humanitarian group based in Spain said that another religious worker and colleague of the infected Spanish priest had died in from Ebola in Liberia.
— Nigerian health authorities confirmed another Ebola case Monday, a nurse who had treated Patrick Sawyer, the Liberian-American who flew into Nigeria and died last month. That brings the locally confirmed Ebola cases in Nigeria to 10, including the two who have died, Sawyer and another nurse. Nigerian authorities now have 177 contacts of Sawyer under surveillance.
— Liberia announced that a donation of protective gear from China was arriving Monday. A shortage of full-body suits and even clean surgical gloves has left health workers exposed to the virus and prompted some to refuse to treat Ebola patients.
— George Weah, a former FIFA world player of the year from Liberia, has joined the efforts to spread awareness about the disease and how to prevent it. He recorded a song titled "Ebola is real," and proceeds are going to the Liberian Health Ministry.
Medical writer Cheng reported from London. AP writers Jonathan Paye-Layleh from Monrovia, Liberia, Boubacar Diallo in Gonakry, Guinea and Bashir Adigun from Abuja, Nigeria, also contributed to this report.
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