"The bacteria is widely distributed in nature and can be found in soil, water and vegetation," he told a media briefing in Pretoria.

"From these sources, the following foodstuffs can be contaminated and cause the disease: meat and all animal products, fruits and vegetables."

FLU-LIKE ILLNESS

Contamination in humans can result in flu-like illness, infection of the bloodstream and, in severe cases, infection of the brain which can prove fatal, he added.

People with compromised immune systems, like some of those living with HIV and pregnant women, are also at a heightened risk, according to the World Health Organization.

In a tweeted factsheet, the health ministry urged South Africans to use safe water supplies, ensure frequent hand-washing and separate raw and cooked food.

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