UK Covid cases are rising – should we wear masks again?

Three experts weigh in on the benefits of reintroducing face coverings in certain settings

With Covid infection levels increasing and hospitalisations following suit with the rise of the Omicron sub-variants BA.4 and BA.5, some experts have called for a reintroduction of mask-wearing in certain settings, with the chair of the Joint Committee on Vaccination and Immunisation, Sir Andrew Pollard, saying it would be sensible" for hospitals to reintroduce the practice.

Here's what other scientists have to say.