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HARRISBURG — Gov. Tom Wolf on Monday will order a statewide shutdown as the number of coronavirus cases in Pennsylvania continues to grow, according to three sources familiar with the decision.

Wolf and other state officials will release more details to the public at 2 p.m.

The governor had previously placed four counties — Bucks, Chester, Delaware, and Montgomery — under a shutdown order. That involved asking nonessential businesses like gyms, hair salons, and concert venues to close for 14 days. Wolf said pharmacies, grocery stores, and gas stations should stay open.

Residents there were urged to curtail any nonessential travel.

On Sunday, Wolf also ordered restaurants in those four counties as well as Allegheny County to close their dine-in facilities for two weeks. He said carry-out and delivery service could continue.

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UPDATE: 2:15 P.M.

Wolf, as reported, ordered a statewide shutdown that calls for all non-essential businesses in Pennsylvania to close, including non-essential stores, bars and restaurants, except for takeout offerings. It also includes day programs for senior citizens.

Drug stores and grocery stores are among the businesses deemed essential, and which will remain open. Gas stations also will remain open.

The number of cases of coronavirus remained at 76, including cases reported by commercial laboratories as well as the state laboratory.

UPDATE 2:27 p.m.:

Driver’s license centers have been closed in some areas, but Wolf said no decision has been made on whether to close all license centers or REAL ID centers.

UPDATE: 2:30 P.M.:

The Department of Community and Economic Development issued these guidelines on what are considered essential and non-essential businesses: Non-essential businesses include community and recreation centers; gyms, including yoga, barre and spin facilities; hair salons, nail salons and spas; casinos; concert venues; theaters; bars; sporting event venues and golf courses; retail facilities, including shopping malls and except for pharmacy or other health care facilities within retail operations. Restaurants are urged only to remain open for carry-out and delivery orders.

UPDATE: 2:50 P.M.

While most of the sports world shutdown due to coronavirus fears, Pennsylvania’s dirt tracks kept on rolling through the weekend.

And, despite Governor Tom Wolf’s announced two-week, statewide shutdown of non-essential businesses Monday, it appears the races — which can draw thousands of fans — will be allowed to continue.

Wolf said he would not force tracks to cancel races, despite his office urging people to not gather in large groups and to limit social contact.

“People will be making their decisions with what they do with their lives all across the commonwealth for the next days, weeks and months,” Wolf said. “What we (should) do is think, not what should we do in terms of our lives, but what we should do in terms of what we owe to our fellow citizens which is what I’d ask the folks at the race courses.”

UPDATE 2:55 P.M.

Wolf said he had no plans to enforce the measures through steps such as calling out the National Guard.

“What we ought to do is not think what should we do in terms of the law, but what do we owe to our fellow citizens,” Wolf said.

He said Monday’s shutdown order will be re-evaluated after two weeks.

Wolf said it’s needed to slow the spread of the coronavirus enough so that it doesn’t create a surge of sick people that overwhelms the health care system.

Ideally, Wolf said, “I would like people to stay home 24 hours a day.”

This is a breaking news story and will be updated.

Spotlight PA deputy editor Sarah Anne Hughes contributed to this article.