They want to institute a vaccine passport which restricts travel unless vaccines are up to date. There are over 200 vaccines in the pipeline. How many is too many? <a href='https://twitter.com/ruthheasman/status/1295879213816389633?s=21'>https://twitter.com/ruthheasman/status/1295879213816389633?s=21</a><div class='embed' data-url='https://twitter.com/ruthheasman/status/1295879213816389633?s=21'></div>
They want to institute a vaccine passport which restricts travel unless vaccines are up to date. There are over 200 vaccines in the pipeline. How many is too many? <a href='https://twitter.com/ruthheasman/status/1295879213816389633?s=21'>https://twitter.com/ruthheasman/status/1295879213816389633?s=21</a><div class='embed' data-url='https://twitter.com/ruthheasman/status/1295879213816389633?s=21'></div>