Quote Originally Posted by Graham Breeze View Post
Mike

IIRC some countries require vaccination for yellow fever to enter - so where that protocol already exists it could readily be applied for Covid. In which case, since Covid is a world wide virus, we would end up with different approaches between countries?
An added dimension is that we might all need to have periodic certification of regular vaccine 'upgrades', akin to software updates, in order to travel, etc. Could be quite a lucrative business for someone. A kind of big-pharma Bill Gates. Happy times...