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OCEAN CITY, N.J. (CBS) — New Jersey health officials are issuing a warning after a Dunkin’ Donuts employee in Ocean City tested positive for hepatitis A. The infected employee works at the Dunkin’ Donuts located at 962 West Ave.

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The Cape May County Health Department says the person worked while they were potentially infectious between Jan. 27 and Jan. 31.

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Even though the risk to people who ate or drank beverages at the Dunkin’ Donuts between those dates is low, health officials recommend people to receive a post-exposure prophylaxis out of an abundance of caution. Health officials say PEP should be received as soon as possible, but no later than Feb. 14.

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All of the store employees were identified and are able to return to work after receiving PEP. The Dunkin’ Donuts has been cleared to reopen.

Hepatitis A is a contagious liver disease. Symptoms include fever, fatigue, loss of appetite, nausea, vomiting, abdominal discomfort, dark urine, clay-colored bowel movement, joint pain and jaundice. Signs and symptoms usually appear two to four weeks after exposure.

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Those who suspect they may have hepatitis A symptoms should call their health care provider.