Potential COVID-19 vaccine approved for human trial in Canada is stuck in China

A Canadian human trial of a possible COVID-19 vaccine has yet to start because the Chinese government has not approved the sending of Ad5-nCoV to Canada, Canadian authorities say. Health Canada announced May 16 that it had approved Ad5-nCoV for human trials in Canada, to be carried out by the Canadian Center for Vaccinology (CCV) at Dalhousie University in Halifax. Human trials of the vaccine candidate are further along in China, with results promising enough that the Chinese government has appr