Tick-borne Encephalitis in Switzerland

Media sources reportedthere has been a significant increase in cases of tick-borne encephalitis (TBE) this year (2018). The Federal Office of Public Health reported 150 cases so far this year (2018). In June alone, 73 cases were recorded.

Advice forTravellers

Tick-borne encephalitis is widespread in rural areas of Switzerland. All travellers to endemic areas should be:

• Aware of TBE, its transmission and clinical outcomes.
• Aware of activities increasing tick exposure, e.g. walking, camping, cycling in forested areas in tick season.
• Given advice on avoiding tick bites and prompt removal of ticks; use of appropriate clothing i.e. trousers tucked into socks and use of insect repellents should be discussed.
• Avoid unpasteurised milk/milk products.

When to consider vaccination

Vaccination should be considered under the following circumstances and is dependant on the individual risk assessment:

• Travellers to endemic countries during the tick season (spring- early autumn) who plan outdoor activities in forested areas, e.g. walking, hiking, camping, cycling, fishing etc. For up to date guidance on endemic countries please consult specific country pages.
• Those planning to reside long term or work (whereby the nature or work increases risk of exposure to ticks) in endemic areas.

For further information see Tick-borne Encephalitis.