A thousand health professionals have backed an appeal for hospital staff to be given improved personal protective equipment.
In an open letter to UK political leaders, they say there is growing evidence that tiny coronavirus particles can spread through the air.
The group want general ward staff to be given the type of high-quality masks usually only worn in intensive care.
Nurses' leaders said higher level PPE should be provided as a "precaution".
Source: BBC News, 5 January 2021