A worker at Camp Somers located at Mt. Allamuchy Scout Reservation in Stanhope was diagnosed with the illness that may have exposed dozens of others -- including children, health officials said.
At least 22 people were sickened in Mendham after a food handler at a local golf and tennis club was diagnosed with Hepatitis A.
Anyone who attended Camp Somers between June 23 and Aug. 7 may have been exposed, the county's health department said.
Although the chances of infection is low, the health department said, anyone who visited the Health Lodge the week of Aug. 4 have an increased risk of exposure.
Click here to follow Daily Voice Highland Lakes-Vernon and receive free news updates.