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Jersey City Mayor Steven Fulop on Thursday announced a curfew on bars and nightclubs beginning this weekend due to coronavirus concerns.

“Those are uncontrolled environments,” Fulop told PIX11. “The nightclubs and bars attract a lot of people and we classify that as uncontrolled. Restaurants we want to allow to stay open. We’re kind of trying to find the balance.”

The mayor did not specify at what time the curfew will start, but said it will likely be 9 or 10 p.m.

There have been no cases of coronavirus in Jersey City, but the mayor said he wants the community to be prepared.

“Yes we are being more aggressive than anyone in the state. Why? There is so much uncertainty around testing, who carries the virus, and how quickly it spreads so we want to be overly cautious until we have some answers,” Fulop said in a tweet.

“My job is to make sure we are doing everything we can to protect residents and being proactive is the right call until we have more info,” he added.

On Wednesday, Fulop canceled the St. Patrick’s Day Parade, as well as all other city-sponsored or city-involved events.

He also said the city will ask venues that host private groups of 25 to maintain contact information for all guests in case one of them is confirmed to be infected, according to NJ.com.