Natural scientific research in Canada Queen's/Hotel Dieu Hospital, Kingston, 1845, U of T/Hospital for Sick Children, Toronto, 1875, UBC/Vancouver General Hospital, 1886, Dalhousie/Victoria General Hospital, Halifax, 1887 and the U of A/ the University of Alberta Hospital, Edmonton, 1906. The Connaught Laboratories in Toronto conducted groundbreaking research in the fifties with respect to the world's first polio vaccine. Working with Dr. Jonas Salk in the US, the laboratories developed a safe inactive vaccine using a new synthetic base, Medium 199. This permitted large volume production through a technique that came to be known as the "Toronto Method", which in turn allowed the mass vaccination campaigns
Salk Salk A salk () is a small military unit led by a senior soldier that is subordinate to an infantry squad. "Salk" is bigger than a lahingpaar ("fire and maneuver team") but smaller than a jagu ("squad"). It is also one of the smallest military formation among the Estonian Ground Force infantry units. It usually consists of three to five soldiers, and may be further subdivided into fire and maneuver teams. A "salk" is composed of two fire and maneuver teams of two soldiers each, as well as a fireteam leader ("salgapealik") who is usually a corporal ("kapral"). One single