Personal protective equipment (PPE)
By Michelle Roberts
Health editor, BBC News online
By Lucy Webster
Political reporter, BBC News
By Rachel Schraer
By Clodagh Rice
BBC News NI Business Correspondent
By Catherine Evans
A dispute over the airline's mask policy led to a passenger punching a flight attendant.
By Bethan Lewis
BBC Wales education and family correspondent
By Francesca Gillett
The CDC says fully vaccinated Americans can stop wearing masks in most indoor and outdoor settings.
Women giving birth are exempt from face masks rules - but not all maternity staff are aware.
Young people reflect on the pros and cons of wearing masks in school and college.