NATIONAL NEWS (CNN) — A World Health Organization panel is convening Monday to discuss the ethics of using experimental medicine to fight the Ebola outbreak in West Africa.
Since its onset this year, the virus is believed to have infected 1,779 people and killed 961, according to WHO's latest figures.
There are no proven vaccines or drugs to treat Ebola, but an experimental serum was given to two American missionaries infected with the disease early last week. Both patients had to give consent to receive the drug, called ZMapp, knowing it had never been tested in humans before. Their conditions are said to be improving.
ZMapp is also being given to Miguel Pajares, a Spanish priest infected with Ebola while working in Liberia, Spain's Ministry of Heath announced Saturday. The drug was sent from Geneva, Switzerland, to Madrid, where Pajares is being treated in a special isolation unit at Hospital Carlos III.
The patients' treatment has raised questions about the use of unproven and unlicensed drugs to treat Ebola and why these three have received the serum when so many others in West Africa also have the virus.
Medical ethicists, scientific experts and lay people from the countries affected by the Ebola outbreak will discuss the use of unlicensed medicines to combat the virus during the WHO teleconference Monday.
The panel will look at issues including whether it is ethical to use "unregistered interventions with unknown adverse effects," and, if so, who should receive them.
The WHO last week declared the Ebola outbreak a "public health emergency of international concern." Since an Ebola epidemic was declared in Guinea in March, the disease has spread to Sierra Leone, Liberia and Nigeria.
On Sunday, Ivory Coast banned flights to and from those countries affected by Ebola. Emirates this month become the first major international airline to suspend flights from Guinea, followed by pan-African airline ASKY and smaller regional carrier Arik Air. British Airways stopped its flights to Sierra Leone and Liberia last Tuesday, because of the "deteriorating public health situation."
The Ebola virus causes hemorrhagic fever that affects multiple organ systems in the body. It can kill up to 90% of those infected.
Early symptoms include weakness, muscle pain, headaches and a sore throat. They later progress to vomiting, diarrhea, impaired kidney and liver function -- and sometimes internal and external bleeding.
Ebola spreads through contact with organs and bodily fluids such as blood, saliva, urine and other secretions of infected people. The most common treatment requires supporting organ functions and maintaining bodily fluids such as blood and water long enough for the body to fight off the infection.
CNN's Jacque Wilson contributed to this story.