Coronavirus: China’s plans for ‘vaccine passport’ may be hampered by lack of data, diplomats say

After closing its borders to almost all foreign visitors for over a year, China has floated the idea of allowing international travel ahead of its hosting of the Winter Olympic Games in February 2022.Diplomatic missions on Monday were sent a note and disk of a “public key” to decrypt the “health certificate for international travel” – China’s version of a vaccine passport – which contains information about holders’ coronavirus and serum antibody tests and inoculation status.Foreign diplomats…

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