Brussels says the EU's COVID pass -- used for cross-border travel -- will expire nine months after the last vaccine dose.
It said a booster shot will be required to extend its validity.
In a travel recommendation unveiled on Thursday afternoon, the European Commission updated the validity of the COVID pass -- which has been in place since the early summer -- in order to take into consideration the ongoing coronavirus surge and the roll-out of booster shots.
Under the new rules, the COVID pass --
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