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.

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.

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.