For a very long time I have been lobbying the world to create an electronic universal passport for travel showing that you completed a COVID-19 vaccination series.  Alas, it is more and more appearing that we might well experience the mayhem of a different pass for just about every location on Planet Earth.  Wouldn't be surprised if a million types of systems appear over the next decade to confuse everyone and waste a lot of time and money. Of course there are concerns about sharing of personal and health data, but that is for something delicate and embarrassing.  Proof of COVID-19 security is something strategically necessary.  Sometimes Big Brother can be a helpful sibling. This nonsense of protecting individual freedom makes no sense.  Show of proof for travel is not new.  First, you need a passport anyway.  Then for some countries you must have a certificate indicating you have been vaccinated to prevent the spread of yellow fever.   To b...