. >> the ones who fly high -- >> reporter: like cirque du soleil the company's chairman is jim murrenhen post that tragedy we had to change the way we checked into airports and got on to planes i think the same thing happens here with live entertainment and conventions. >> reporter: and clear, best known for airport security, is also processing for health to many though, this is a vast intrusion of privacy lawmakers like kentucky senator rand paul are sounding the alarm. he calls it a power grab which would determine your social suitability to engage in your everyday life. governors of texas, florida, arizona, and idaho have banned government from requiring it montana's governor even forebade private businesses the white house says it will be left to private industry. >> there will be no centralized universal federal vaccinations database and no requirement tooo obtain the very obtain the credential. >> vaccine passports are already coming into play on the job. mercer's global survey shows 27% of employers are using a third party app to track their workers' vaccination status. another