As parents faced the reality of school closures Monday, Pennsylvania Gov. Tom Wolf also called upon non-essential businesses to shut down to help slow the spread of the new coronavirus.

That means non-essential businesses will be asked to close for the next two weeks. Restaurants and bars can stay open if they serve takeout. Grocery stores, pharmacies and medical facilities will stay open.

"Don't treat this as a situation that deserves panic, but one that deserves care," Wolf said. "If you usually go grocery shopping once a week, go once a week."

Wolf said this decision was not made quickly. But he feels it is necessary in an effort to slow the spread of the coronavirus.

On Monday, the state added 13 confirmed cases of COVID-19 to bring the total to 76.

The new COVID-19 cases include: two in Allegheny County; one in Bucks County; six in Montgomery County; two in Monroe County; and two in Philadelphia County. All patients are either in isolation at home or being treated at the hospital.

Also Monday:York County commissioners issue emergency disaster declaration for the coronavirus

What about testing:COVID-19 testing ramps up in Pennsylvania as coronavirus crisis grows

The confirmed cases include both tests done at the state lab and at commercial or hospital labs. There were 670 patients who have tested negative either at the state public health lab, a commercial lab or a hospital lab as of Monday morning.

The Pennsylvania Turnpike Commission announced that cash and credit payments will not be accepted at any interchange statewide beginning at 8 p.m. Monday.

The commission said in a news release that all tolls will "be assessed electronically via E-ZPass or the turnpike Toll By Plate program as vehicles travel at the posted speed limit through tolling points."

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Drivers who do not have E-ZPass should use the lanes marked "tickets" on entry and "cash" on exit, and they will receive an invoice by mail.

Late Monday afternoon, the Pennsylvania Liquor Control Board announced it was closing its Fine Wine and Good Spirits stores indefinitely beginning 9 p.m Tuesday. The state's website to order wine closed at 5 p.m. Monday.

Aggressive measures continue in the state and around the nation to slow down the virus before it spreads and our hospitals and other health care providers become overwhelmed.

Bishop Ronald Gainer said Monday that all daily and weekend masses in the Roman Catholic Diocese of Harrisburg have been suspended. He has also suspended all public liturgies and devotions, and has asked that all churches and chapels be closed, including all perpetual adoration chapels.

"This decision has been made after careful discussions and considerable reflection on the advice being provided from healthcare professionals," Gainer said in a news release. "I deeply care for all those members of my flock. It is my duty to see to their spiritual health, and now in these challenging times, also to their physical welfare."

"Flattening the curve" — or spreading out the number of cases of the coronavirus over a longer period of time — will alleviate the stress on the health care system to cope. The fast-spreading virus surged quickly in China and Italy. Italy's health care system became overwhelmed in just three weeks' time.

In a significant increase in federal measures, President Donald Trump on Monday issued guidelines that called for Americans to avoid social gatherings of 10 people or more and to limit discretionary travel for the next 15 days.

This is a developing story. Check back for updates.

What do we know about Pa. coronavirus cases?

Here's what we know about the coronavirus and positive cases in Pennsylvania:

Montgomery County: 30 total cases have been confirmed in Montgomery County, just north of Philadelphia. Some patients are hospitalized, while the others have mild symptoms and are resting at home.

30 total cases have been confirmed in Montgomery County, just north of Philadelphia. Some patients are hospitalized, while the others have mild symptoms and are resting at home. Delaware County: There are a total of seven cases in Delaware County, another Philadelphia suburb.

There are a total of seven cases in Delaware County, another Philadelphia suburb. Wayne County: One case in Wayne County, northeastern Pennsylvania, involves an adult patient with mild symptoms who is at home.

One case in Wayne County, northeastern Pennsylvania, involves an adult patient with mild symptoms who is at home. Monroe County: Eight cases have been confirmed in Monroe County, including the state's first pediatric case. One involves an adult patient who was hospitalized but is now at home. And, another adult was hospitalized.

Eight cases have been confirmed in Monroe County, including the state's first pediatric case. One involves an adult patient who was hospitalized but is now at home. And, another adult was hospitalized. Philadelphia: Eight cases in Philadelphia.

Eight cases in Philadelphia. Bucks County: Two of the five cases in Bucks County involve adults who are in isolation at home with mild symptoms. The patients, who reside in the same home, attended an out-of-state function recently where they came in contact with two other people who later tested positive for the coronavirus.

Two of the five cases in Bucks County involve adults who are in isolation at home with mild symptoms. The patients, who reside in the same home, attended an out-of-state function recently where they came in contact with two other people who later tested positive for the coronavirus. Northampton County: One case has been confirmed in Northampton County.

One case has been confirmed in Northampton County. Pike County: One case has been confirmed in Pike County. The individual is in isolation at home.

One case has been confirmed in Pike County. The individual is in isolation at home. Chester County: Two cases, both adults, have been confirmed in Chester County.

Two cases, both adults, have been confirmed in Chester County. Cumberland County: Five total cases, with at least one child. These remain the only cases in central Pa.

Five total cases, with at least one child. These remain the only cases in central Pa. Washington County: The first positive test was announced.

The first positive test was announced. Allegheny County: There are five total cases. Two adults living in the same Pittsburgh residence have tested positive.

There are five total cases. Two adults living in the same Pittsburgh residence have tested positive. Lehigh County: One case has been confirmed in Lehigh County.

One case has been confirmed in Lehigh County. Luzerne County: One case has been confirmed in Luzerne County.

What are the symptoms of the coronavirus and what should you do?

According to the CDC, reported illnesses from COVID-19 have ranged from mild symptoms to severe illness and death.

Fever, cough and shortness of breath might appear 2 to 14 days after you've been exposed to the virus.

If you think you've been exposed to the coronavirus and develop a fever and symptoms of respiratory illness, such as cough or difficulty breathing, call your primary healthcare provider immediately.

With further spread of the virus and disruptions to everyday life expected, officials remind residents to wash their hands often with soap and water for at least 20 seconds. Use an alcohol-based hand sanitizer if soap and water are not available.

You should also cover coughs and sneezes with your elbow (not your hands), clean surfaces that are frequently touched (such as countertops, light switches and phones), and stay home if you are sick.

People are also asked not to attend large gatherings and to practice "social distancing."

There is currently neither a vaccine nor an approved treatment for the new, or novel, coronavirus.

While younger people may experience the illness as a bad cold with a fever, the concern is that older people and those who have additional medical conditions will develop a more severe form of COVID-19.

As the disease spreads widely in the population, that could lead to a high number of patients requiring hospitalization for pneumonia or acute lung problems that require the use of a ventilator to breathe.