Patrons of a New York deli could have been exposed to Hepatitis A from an infected employee, local news website LoHud.com reported Saturday.

The Westchester County Health Department said the potential contact could have occurred from July 26 to Aug. 9 at J&D Deli & Catering, also known as Delgado’s Deli, in Ossining, a town just 30 miles north of New York City.

Those who were exposed could experience symptoms as early as Aug. 10 or as late as Sept. 27, according to LoHud.com.