Schemes are in development from Sweden to China, but there are fears around transmission and social unrest
It is the question being asked with increasing urgency around the world, at least in countries where the vaccine is already available: how much freedom to live life as it was before the pandemic should be granted to those who have been vaccinated against Covid-19?
Its impacts range from the speed at which economies can open to when grandparents and grandchildren can hug again, but it is causing growing unease among decision makers who warn there is a danger of dividing societies already under huge strain due to pandemic restraints.
