PRESIDENTIAL COVID-19 advisor Dr Roma Chilengi has bemoaned the behaviour of some citizens who are falsifying COVID-19 travel and vaccine certification, saying this is creating a level of mistrust in other countries. And Dr Chilengi has bemoaned the high disregard of doctors’ advice in the era of misinformation on social media. Speaking during a special interview on Radio Phoenix, Monday, Dr Chilengi said the country was working hard to come up with a data system that would issue new vaccination certificates with QR codes that would be linked through Africa…...