[Zika: Which European Countries Are At Risk?]The two most popular foreign countries for UK travellers have been identified as having a "moderate" risk for transmission of the Zika virus. Its list of the 10 most visited overseas countries by Britons includes two more - Italy and Greece - that have been put in the "moderate" risk category by the World Health Organisation (WHO). These are: Albania, Bosnia and Herzegovina, Bulgaria, Croatia, France, Germany, Georgia, Greece, Israel, Italy, Malta, Monaco, Montenegro, Romania, San Marino, Slovenia, Spain, Switzerland, Turkey and Vatican City.