Digital green certificate for international travel displays green Covid-19 vaccinated tick and a QR code in the smartphone of a woman.

Related tags:

• immunity
• pandemic
• prevention
• vaccine
• covid
• disease
• medical test
• virus
• people phone
• passport
• mobile security
• flu
• protection
• safety
• antibody
• security
• people
• airport
• woman
• smartphone
• certificate
• phone
• recover
• medical tourism
• control
• test
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