Listeriosis death rate running at 30%

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The National Institute of Communicable Diseases says that the number of confirmed listeriosis cases is now 852 and 107 people have died, reports The Times. The death rate – based on the outcome data for 355 cases – is 30%.

Of those confirmed cases‚ 42% were babies younger than one month‚ with pregnant women being 20 times more likely to get listeriosis than other healthy adults.

The report says contracted from eating food containing the pathogen listeria‚ listeriosis is the most-deadly of food-borne diseases‚ the death rate in other documented outbreaks being up to one in four. And still the source of the outbreak – thought to be a food product or range of products from one company – remains unknown.

The reports says most cases – 59% – have been reported in Gauteng‚ with 13% of cases in the Western Cape and 7% in KwaZulu-Natal. Roughly two-thirds of cases have been confirmed in state hospitals and a third in private hospitals. Pretoria-based food safety expert Dr Lucia Anelich said the “culprit” was most likely to be a product consumed “exceptionally often” by consumers across the country.

Listeriosis symptoms – typically flu-like – develop any time between two and 30 days after eating food contaminated with the listeria pathogen.

High on the list of foods known to have caused other listeriosis outbreaks are ready-to-eat foods that consumers don’t cook or heat before eating‚ primarily deli meats — slices of ham‚ polony‚ cooked chicken and the like. “Deli meats are obviously consumed by a wide variety of people in the population‚ whether it’s a cheaper cut or a more expensive one‚” Anelich says.

The report says municipal environmental health practitioners in all provinces are systematically inspecting and taking samples at food production‚ processing and packaging facilities.

The Times report
NICD Situation Report


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