NEW : Harriet Washington wrote in a recent CNN Opinion piece . Canada to give WHO up to 100 doses of experimental flu vaccine . WHO panel : It is ethical to use unproven medication to try to fight Ebola . People who took an experimental drug appear to be improving , but one person who took it died . 100 doses of the experimental drug ZMapp are on their way to Liberia .
NEW : Canada to give WHO up to 100 doses of experimental flu vaccine . WHO panel : It is ethical to use unproven medication to try to fight Ebola . People who took an experimental drug appear to be improving , but one person who took it died . 100 doses of the experimental drug ZMapp are on their way to Liberia .