Europe’s system to allow hassle-free travel for people vaccinated against Covid-19 is at risk of breaking down after Italy and Greece imposed their own rules.
The unilateral restrictions, which require PCR tests for incoming travelers, represent another blow for the continent’s battered airlines just before the lucrative holiday season. The new national rules are also another setback for European Union solidarity and come as the bloc’s leaders gather in Brussels for two days of summit meetings.
