(Reuters) - Canada will donate a small quantity of an experimental Ebola vaccine developed in its government lab to the World Health Organization for use in Africa, the country's health minister said on Tuesday. The decision to donate the vaccine came after the WHO said on Tuesday that it was ethical to offer untested drugs to people infected by the virus. The Canadian government will donate between 800 to 1,000 doses of the vaccine, with the final number given dependent on how much Canada holds back for research and clinical trials. The government will also keep a small supply in...