NHS trusts were not consulted before the government announced changes to the use of face coverings and visitor policy in English hospitals, the chief executive of NHS Providers has said.
Chris Hopson said trust leaders felt "completely in the dark" about the "significant and complex" changes.
From 15 June, hospital visitors and outpatients must wear face coverings and staff must use surgical masks.
A spokeswoman said that, while the public were "strongly urged" to wear a face covering while inside hospitals, no-one would be denied care.
Separately, NHS England has lifted th