As COVID-19 vaccination programs advance, EU leaders are debating the introduction of a common vaccine passport system to facilitate travel among member states. Greece, Italy, Spain, and Portugal support the idea, with Greece’s Prime Minister advocating for its implementation. The European Commission's Ursula von der Leyen also backs the proposal. While several countries like Iceland and Denmark are already developing digital health passports, concerns about discrimination and privacy persist. Critics argue that vaccine passports could create a two-tier society and might not adequately address public health risks.

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