PARAMUS – Officials say a private school in New Jersey has closed because of possible exposure to the new coronavirus.

The Frisch School in Paramus will be closed until Wednesday after 28 students were exposed to a New York person who was diagnosed as a confirmed case of the coronavirus, officials said. Read more: NJ Issues New Coronavirus Guidelines For Schools, Colleges

The possible exposures may also stem from recent hockey games in Riverdale and students who attended a bat mitzvah at the Young Israel of New Rochelle, according to PIX11. They were advised to stay home from school and self-quarantine until Monday, the report said. Read more: NJ Recommends Self Quarantine For NY Temple Visitors

The students — some of whom went on a school trip to Canada — began a self-quarantine period earlier this week, according to Daily Voice. The closing comes as the first two presumptive positive cases were identified in New Jersey, both in Bergen County. Read more: More Details In 2nd Presumptive Positive Coronavirus Case In NJ

A third presumptive positive case was revealed in New Jersey on Friday. Read more: First Presumptive Case Of Coronavirus Reported In South Jersey.

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New Jersey officials announced the second case involving a woman in her 30s at Englewood Hospital and Medical Center on Thursday as travel restrictions were announced for state employees.