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.

L.A. County Department of Public Health is investigating a hepatitis A case in an employee at a Monterey Park Buffalo Wild Wings restaurant. Officials suggest consulting a healthcare provider if you ate there between Nov.