You have to register to vote and link your vote to your registration. The vaccine-card equivalent of Republican Voter ID requirements would be mandating that e

You have to register to vote and link your vote to your registration. The vaccine-card equivalent of Republican Voter ID requirements would be mandating that everyone present a vaccine card before being allowed to vote with the intent of discouraging eligible Republican voters. The equivalent of present-day pollbooth security in vaccine-card form would be requiring people to associate themselves with an official vaccine record before shopping / working / etc. You wouldn't have to present an ID on the spot, but the records would be checked to look for two people claiming the same vaccination record, someone trying to claim a record that didn't exist, etc. Discrepancies would be investigated and if you were found to have fraudulently represented your vaccination status you'd be in trouble.