Visit Cornwall chief executive Malcolm Bell told The Press Association: “We are asking people not to come unless they have booked ahead and request they take a lateral flow test before, during and after (their) stay so that [people] can be safe and help us to manage the current spike."
His plea followed an outbreak of 4,700 cases of Covid thought to be linked to a festival in Newquay two weeks ago.
Businesses in the county are reporting critical staff shortages due to employees contracting the virus.
