Customers who visited Olivello restaurant in Middlesbrough on specific dates in August must self-isolate as a precaution.
The public health guidance is being issued to stop the spread of coronavirus in the area.
Anyone who was at Olivello on August 25th, 26th, 27th, 28th or 29th must self-isolate for a 14-day period from the date they were at the restaurant.
This means staying at home other than for medical reasons such as attending a test: do not go to work, school, or public areas, and do not use public transport or taxis.
You must not go outside even to buy food or other essentials, and any exercise must be taken within your home.
The instruction to isolate follows three positive tests linked to the Linthorpe Road restaurant.
Those who were at Olivello on August 25th, 26th, 27th, 28th or 29th should get a coronavirus test only if they display symptoms.
They must complete their full 14 days of self-isolation, even if they get a negative test result. This is because it can take time for symptoms to develop.
The symptoms of coronavirus are a high temperature, a new, continuous cough and a loss or change to taste or smell.
Anyone with symptoms can book a free test online or by calling 119. A mobile testing site will be at Newport Community Hub until Thursday. The permanent Middlehaven site is open from 8am-8pm daily.
Olivello management is co-operating fully with Middlesbrough Council and is taking responsible actions. A deep clean has taken place. The restaurant will be closed until Monday when the situation will be reviewed.
Attempts will be made to contact customers directly to provide the urgent self-isolation advice.
Anyone who requires further advice on coronavirus can contact NHS 111.