NEW : Canada to offer WHO up to 1,000 doses of experimental Ebola vaccine . The Canadian government has announced it will provide the WHO's experimental Ebola vaccine, which is being tested in a trial run at Toronto's Hospital for Sick Children. It is ethical to offer unproven medication to try to fight Ebola . Pair who took an experimental drug appear to be improving , but one man who took it died . Sample doses of the experimental drug ZMapp are on their way to Liberia .
NEW : Canada to offer WHO up to 1,000 doses of experimental Ebola vaccine . WHO panel : It is ethical to offer unproven medication to try to fight Ebola . Pair who took an experimental drug appear to be improving , but one man who took it died . Sample doses of the experimental drug ZMapp are on their way to Liberia .