COVID-19. Moderna vaccine approved: What we know about side effects, ingredients and doses The new cases come as the country approved a second vaccine against the virus from American biotechnology company Moderna.Speaking at a press conference Wednesday, Prime Minister Justin Trudeau said now that Health Canada has approved the vaccine, “we have the green light to start rolling it out across the country.”He said the first vaccines from Canada’s 40-million dose order will arrive “in the coming days.”Dr.