▁the ▁medic ation ▁accessible . ▁In ▁the ▁ 1 9 3 0 s , ▁method ological ▁adv ances ▁at ▁Con n aught ▁updated ▁the ▁international ▁standard ▁for ▁ins ul in ▁production . ▁ ▁E ff ort s ▁at ▁Con n aught ▁to ▁pur ify ▁he par in ▁for ▁human ▁clin ical ▁tri als ▁lay ▁the ▁foundation ▁for ▁various ▁critical ▁sur ger ies ▁including ▁v asc ular ▁surg ery , ▁organ ▁trans plant ation ▁and ▁card iac ▁surg ery . ▁During ▁World ▁War ▁I ▁and ▁World ▁War ▁II , ▁the ▁L abs ▁produced ▁various ▁ant ito x ins ▁that ▁became ▁cru cial ▁due ▁to ▁increased ▁ris ks ▁of ▁injury ▁in fection ▁and ▁expos ure ▁to ▁dise ases ▁in ▁other ▁parts ▁of ▁the ▁world , ▁including ▁the ▁ty ph us ▁v acc ine ▁and ▁pen ic ill in . ▁Con n aught ' s ▁production ▁techn ologies ▁also ▁enabled ▁the ▁mass - scale ▁field ▁trial ▁of ▁Jon as ▁S alk ' s ▁pol io ▁v acc ine ▁and ▁its ▁subsequent ▁expansion . ▁The ▁institution ▁played ▁a ▁particularly ▁important ▁role ▁in ▁rest oring ▁U . S . ▁public ▁faith ▁in ▁the ▁pol io ▁v acc ine ▁after ▁a ▁production ▁m ish ap ▁at ▁California - based ▁C utter ▁Labor ator ies . ▁ ▁In ▁ 1 9 7 2 , ▁Con n aught ▁was ▁sold ▁to ▁the ▁Canada ▁Development ▁Corporation ▁( CD C ), ▁a ▁feder ally - owned ▁corpor ation ▁charged ▁with ▁developing ▁and ▁maintain ing ▁Canadian - control led ▁companies ▁in ▁the ▁private ▁sector