Genetically engineered viruses discern, destroy E. coli in drinking water Posted by Manuel Canovas Lechuga in bioengineering, biotech/medical, genetics, sustainability Oct 12018 To rapidly detect the presence of E. coli in drinking water, Cornell University food scientists now can employ a bacteriophage — a genetically engineered virus — in a test used in hard-to-reach areas around the world. Read more