Speaking at a press conference, Dr Motsoaledi said that while listeria is a serious disease, it can be treated with antibiotics.The bacteria is found in soil, water and vegetation, and contaminates food sources such as animal products and fresh produce.

The disase mainly affects newborns, pregnant women, and people with weak immune systems.The South African government has tweeted that washing hands is extremely important to prevent getting listeria:

Minister Motsoaledi urged South Africans to wash hands before handling food and often during food preparation. Please don't get tired of washing your hands if it means washing hundred times a day, please do it!!#Listeria #Listeriosis #FoodBorneOutbreak