It comes after Ryhope Cricket Club, on Ryhope Street, and the Golden Fleece Pub, in Silksworth, Sunderland, both announced on Saturday that they were temporarily closing due to confirmed cases of Covid.
Le Cavalier said the bar and kitchen will be thoroughly cleaned and will begin contacting customers who have been inside the premises.
The bar said in a statement: “It is with regret that we have to close the Cavalier Bar for the next 72 hours.
“Although we have not been officially informed, we take the health of our customers and staff seriously and, as we have been told that an irresponsible customer who may have been last night, has now been tested positive for Covid, we think it’s the best thing for all people.
“We will undertake a thorough cleaning before reopening. All customers who have been inside will be contacted as per government guidelines.
“We were informed this morning that someone who may have had Covid-19 could have been in the bar last night.
“We are trying to trace this person and as a precaution we have closed the bar and restaurant for 72 hours for a thorough cleaning of the bar area, however our delivery service is still available from tomorrow as of tomorrow. ‘usual by phone and JustEat.
“Even though this person was nowhere near the kitchen or the staff as a precaution, we are closing deliveries today to also thoroughly clean the kitchen.
” Sorry for the inconvenience. Can customers who have booked today and tomorrow contact us for more information as we obviously cannot serve you in the restaurant or bar this weekend.
“Please note that we will continue our delivery service only tomorrow. Regards. ”
The Golden Fleece said it is closing until further notice and will not reopen until all staff have been tested and the pub has been thoroughly cleaned.
In a statement on its Facebook page, the pub said: ‘Sadly we will not be open until further notice as an irresponsible customer who was showing symptoms of Covid while awaiting his test results decided to go out in the evening .
“Today we have just learned that they have tested positive.
“Sorry for any inconvenience this may cause, but the safety of our customers comes first.
“As soon as our staff have been tested and the pub has been thoroughly cleaned, we will keep you all posted.
“Someone will be in contact through tracking and tracing with the people who were present last night. ”
The Ryhope Cricket Club said a case of coronavirus was reported on Friday evening (July 31) and said it must suspend all cricket activity for 72 hours.
A statement from club president Ian Lawrence and club secretary Alan Mason said the safety of players and parents was “paramount”.
He said: “A case of coronavirus has been reported which occurred in the clubhouse late at night.
“While we are convinced it has not affected the playing team, the safety of our players and parents is paramount.
“Therefore, the committee made the decision to suspend all cricket activity for 72 hours until we are in full possession of all the facts.
“Your patience and cooperation in this regard is greatly appreciated and we will keep you informed of all developments. ”
The closures come as parts of the North West and Yorkshire have been placed on tighter local lockdowns following a steady rise in the number of new cases.
Boris Johnson rolled back the easing of some lockdown restrictions on Friday in response to the increased number of cases.
In addition, from August 8, face covers will become mandatory in more places.