A total of 945 cases have been reported since 1 January 2017, with 30 additional cases recorded since the last update (20 February 2018).
Outcome at the end of hospitalisation is known for an additional 18 cases, bringing the total with known outcome to 635/945 (67%) patients. 176 (19%) patients are known to have died.
At present, the source of the outbreak is not known, although progress is being made in each area of the investigations listed below.
The public are advised that processed, ready-to-eat meat products, soft cheeses, and unpasteurised milk and dairy products should be avoided by persons who are at risk of listeriosis. In addition, processed, ready-to-eat meat products include viennas, polonies, russians, ham, other ‘cold’ meats, sausages, various corned meats, salami, pepperoni and similar products typically found in the processed meat sections of food retailers and butcheries should be avoided, or thoroughly cooked in boiling water or heated at high temperatures of 70°C or higher before eating.