This came out of discussions during the second annual international conference for Food Safety and Security.
The three-day conference last week, held in the city, saw agriculture bodies, scientists, researchers and academics speaking of the importance of people being hyper-vigilant with food.
Dr Stacey Duvenage from the University of Pretoria and a Food Security and Safety Scientific Committee member, said the listeria outbreak had subsided, but that in no way meant the virus was cured or non-existent.
“Where does listeriosis come from? In numerous places such as the soil, and we can’t conclude with certainty that simply because there are fewer reported cases therefore it’s gone.