The Austrian authorities have decided to abolish the list of virus variant countries, for travellers from which special stricter restrictions have applied so far.
Thus, starting from Monday, January 24, 2022, travellers from the United Kingdom, the Netherlands, Denmark and Norway, which countries are currently classified as virus variant countries, will be subject to facilitated entry rules when travelling to Austria.
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Austria Removes UK, the Netherlands, Denmark & Norway From List of Virus Variant Countries - SchengenVisaInfo.com