The Los Angeles County Department of Public Health is investigating a case of Hepatitis A at a Buffalo Wild Wings in Monterey Park, telling customers who visited the restaurant on certain days this month to get the vaccine or get tested.

An employee at a Los Angeles-area Buffalo Wild Wings restaurant was infected with hepatitis A, meaning patrons have possibly been exposed to the highly contagious disease. The infection was reported at the Monterey Park location at 4000 Market Place,

The Los Angeles County Department of Public Health issued a warning Tuesday to Monterey Park residents after a Buffalo Wild Wings worker contracted hepatitis A.

County health officials say anyone who's eaten at the location to get the hepatitis A vaccine, if they haven't already, and to monitor for symptoms.

Customers who ate at the Buffalo Wild Wings in Monterey Park between November 13 and 22 should get a hepatitis A vaccine if they aren't already immunized, county health officials said.

Public health officials were investigating the possible spread of Hepatitis A after an employee at a well-known restaurant and bar in Monterey Park became sick with the virus.