An employee at Jerry’s Deli in Westwood, part of Los Angeles, has been diagnosed with hepatitis A.

Customers who ate sandwiches at the popular eatery near UCLA on Nov. 18, 21, 23 or 24 are urged to receive an immune globulin shot or a hepatitis A vaccine shot no later than 14 days from the date they visited the deli, the Los Angeles County Department of Public Health said in an alert issued Wednesday evening.