In addition to optimal mosquito bite prevention, the Swiss ECTM recommendation include:

Chikungunya vaccination is recommended for:

• Persons >12 years of age travelling to an area with a chikungunya outbreak.
  
• Laboratory workers who might be exposed to the virus.
  

Chikungunya vaccination may be considered for:

• Persons >12 years travelling or moving to an area with elevated risk for chikungunya if planning to stay for an extended period of time or repeated stays (for example, cumulative period of 3 months or more).
  

Of note:

• Two chikungunya vaccines have been licensed in Europe but not yet in Switzerland.
  Consultation with a travel or tropical medicine specialist is advised.
  For details, see ECTM statement for chikungunya recommendation or SOP.