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¹) Research Group Risk Evaluation and Risk Mitigation, Swiss Reference Laboratory for Milk and Milk Products, Agroscope, 3003 Berne, Switzerland; ²) Spiez Laboratory, Federal Office for Civil Protection, 3700 Spiez, Switzerland; ³) Swiss Reference Laboratory for Foodborne Viruses, Federal Food Safety and Veterinary Office, 3003 Berne, Switzerland; ⁴) Swiss National Reference Centre for Tick-Transmitted Diseases, 3700 Spiez, Switzerland

Risk assessment of the alimentary trans­mission of tick-borne encephalitis viruses from goats to humans by milk and milk ­products in Swiss alpine regions

Risikobewertung der alimentären Übertragung von Frühsommer-­Meningoenzephalitis-Viren von der Ziege auf den Menschen durch Milch und Milchprodukte in den Schweizer Alpenregionen

Jan-Erik Ingenhoff¹), Marc Mühlemann¹), Rahel Ackermann-Gäumann^2,4), Dominik Moor³), Thomas Berger¹)

Viral zoonosis tick-borne encephalitis (TBE) is usually transmitted to humans by the bite of an infected tick. Another possible way to become infected with the viral pathogen is through the consumption of raw milk and raw milk products. Based on the seropre­valence of antibodies against TBE viruses in goats in the Valais canton in a recently published study, a risk assessment for the viral contamination of goat milk was performed for this area. The probability of virus-contaminated milk was calculated to range between 0.0012% and 0.024% of household milk.

Keywords: Tick-borne encephalitis, alimentary transmission, raw goat milk, raw goat milk products, risk assessment, Switzerland

jan-erik.ingenhoff@agroscope.admin.ch

Arch Lebensmittelhyg 71,
110–114 (2020)
DOI 10.2376/0003-925X-71-110

© M. & H. Schaper GmbH & Co.
ISSN 0003-925X