Worldwide Chikungunya Risk: Countries with Outbreaks or Elevated Risk According to the U.S.CDC

The US CDC has updated the areas at risk for chikungunya. As of 16 December, there is a chikungunya travel health notice for outbreaks in:

Countries considered to have an elevated risk for chikungunya include:

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 (see current outbreaks list of US CDC).
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 (see list of countries with elevated risk of US CDC) 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.

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