HealthHow likely are you to be infected by the coronavirus on a flight? Hard evidence on the risks of in-flight transmission of coronavirus is scarce, but what we know suggests that flying may be less risky than other activities such as eating out or going to the pub News
HealthIf we ever make a covid-19 vaccine who should be first to get it? It will take at least a year to make the billions of vaccine doses needed to protect everyone, so tough decisions will have to be made about who is top priority News