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JOHN WOODS / WINNIPEG FREE PRESS 3D printed models of phages in Cytophage Technologies in Winnipeg Monday, March 22, 2021 where Steven Theriault, CEO and CSO of Cytophage Technologies, a biotech company that uses phages, organisms that kill bacteria, just got approval to do animal testing on an application that could prompt development of anti-bodies that would prevent COVID infections. Reporter: Cash