The Presidents of the European Parliament, the Council of the EU and the European Commission made EU Digital vaccine Certificate official.
Greece introduced the green passport program which aims to facilitate travel within the EU during the coronavirus pandemic on Friday morning.
A digital "Green Passport" will be unveiled for the first time on May 28, in a bid to enable easier and safer tourism into Greece.
The US State Department will soon advise residents not to travel to fully 80% of the nations of the world due to elevated coronavirus risk.
Greece was featured five times on a list of best European destinations for vaccinated travelers by European Best Destinations.
An EU Vaccination certificate given in digital form promises to change lives in Europe according to European Union autorities.
An EU-wide vaccine passport plan will be unveiled in March, the European Commission President Ursula von der Leyen announced on Monday.
Thursday's coronavirus summit resulted in a surprisingly swift decision to issue vaccine certificates to ease travel by the Summer of 2021.
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