A spate of foodborne illnesses in leafy greens and other produce in recent years has sickened consumers and disrupted growers and supply chains. It’s been thought that hydroponic and aquaponic systems could reduce these issues since there is little opportunity for pathogens like E. coli to contaminate the edible parts of plants.
Click here for original story, Risk of E. coli in hydroponic and aquaponic systems may be greater than once thought
Source: Phys.org