Editor’s note: This story has been updated with information from the Hunterdon County Health Department and state officials.

Early Sunday morning, Hunterdon Healthcare reported the first positive case of coronavirus in Hunterdon County, according to the hospital.

By 3:30 p.m., county health officials confirmed the case.

A 54-year-old woman was admitted to the Hunterdon Medical Center several days ago and tested positive for COVID-19, the illness caused by the novel coronavirus. The hospital said the woman was “doing well” Sunday morning and had already been discharged for home isolation.

Hunterdon County Health Officer Karen DeMarco said in a statement Sunday afternoon that the county health department is conducting a full public health investigation. She said the county is working to identify and notify the people the woman came in contact with before she was hospitalized and advising them to self-quarantine for 14 days.

“Health professionals advise that the public should not be alarmed by the positive test result – officials have expected and planned for positive cases in Hunterdon County,” DeMarco said in the statement. “As testing becomes more available, more positive cases expect to be identified.”

Kathleen Seelig, a spokeswoman for the hospital, said the woman had been in the hospital for four days while testing for the virus was conducted. It was not immediately clear why the person was initially admitted.

DeMarco also said the county health department recommends residents practice social distancing and use proper hygiene.

Hunterdon Healthcare said its hospital had been prepared for the case ahead of time and “acutely followed all Centers for Disease Control and Prevention (CDC) guidelines for both the patient and our staff.”

Individuals in 13 other counties have also tested positive for the virus and one man and one woman have died as a result. Bergen County remains the state’s epicenter with at least 32 positive cases.

State officials announced Sunday that New Jersey now has 98 confirmed cases of COVID-19.

The man who died was from Bergen County and the woman who died was from Monmouth County, where at least 12 people have tested positive.

Judy Persichilli, commissioner for the state health department, said the deaths were connected through a family gathering in Monmouth County. A sibling of the woman is friends with the man who died in Bergen County. Persichilli said other people at the gathering also tested positive.

Murphy said he expected to announce a full statewide closure of schools on Monday. In addition, state workers are being authorized to work from home.

Reporting by USA Today found that if the number of COVID-19 cases in the U.S. continues to climb at the current rate, the country will face a shortage of hospital beds.

Nationwide, more than 3,000 people tested positive while 62 died, according to CNN.

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NJ Advance Media staff writer Brent Johnson contributed reporting.

Follow the CDC website for more and updated information. For coverage of coronavirus in New Jersey, follow www.nj.com/coronavirus.

J. Dale Shoemaker is a reporter on the data & investigations team. He can be reached at jshoemaker@njadvancemedia.com. Follow him on Twitter at @JDale_Shoemaker.