Immunity passports 'could increase virus spread': WHO

‘Governments should not issue so-called "immunity passports" or "risk-free certificates" as a way of easing lockdowns, the World Health Organization (WHO) says... It said there was "no evidence" that people who had developed antibodies after recovering from the virus were protected against a second infection... Such a move could actually increase virus transmission, it warned... People who assumed they were immune might stop taking precautions, it said.'

Read here (BBC, April 25, 2020)