Massachusetts on Monday launched an online website where residents can obtain a QR code to show proof that they have been vaccinated against COVID-19. The QR code can be scanned at various ...
A new Canadian paper offers conditions under which vaccine certificates should and should not be considered in future pandemic scenarios ...
After accessing their digital COVID-19 vaccination records, some Californians have noted an apparent glitch: The state-generated reports include QR codes that, when scanned, don’t seem to retrieve any ...
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