Vaccination passports must come with an expiration date and we do not know what date is best yet (obviously not 90 days.) This is because we don’t yet know for how long the vaccines provide protection and because new strains with higher vaccine escapes may emerge which will eventually necessitate boosters designed specifically against these new strains.
Vaccination passports must come with an expiration date and we do not know what date is best yet (obviously not 90 days.) This is because we don’t yet know for how long the vaccines provide protection and because new strains with higher vaccine escapes may emerge which will eventually necessitate boosters designed specifically against these new strains.