HALIFAX—Clinical trials have begun for another Canadian-made COVID-19 vaccine candidate, with three people receiving an initial dose on Wednesday. The Canadian Center for Vaccinology says the first of 108 healthy adult volunteers received injections in Halifax. The placebo-controlled study will administer two doses to each volunteer, 28 days apart. “It’s a product of Canadian science, so it bodes well for the ability to make vaccines here. We all want to have vaccine manufacturing capacity in Canada,” said Dr. Joanne Langley, a vaccine researcher with the centre. She said that the pace of testing is careful, as different age groups, from younger to older, receive varying doses in a process that will unfold over the next two months. Dubbed COVAC-2, the vaccine hopeful was developed by the Vaccine and Infectious Disease Organization, or VIDO, at the University of Saskatchewan in Saskatoon. It’s the first of two subunit vaccines by VIDO to …