Covid: Liverpool hosts 'pioneering' mask-free business event
Four hundred delegates gathered for the UK's first face-to-face, mask-free business conference in Liverpool since the start of the Covid pandemic.
The Good Business Festival was an event part of a set of trials being monitored by scientists.
It is hoped studies of the event will help pave the way for a return to more normal activities.
The data will be analysed by experts as part of the government's Events and Research Programme.