Following a case of serologically proven hepatitis A in a food-handling worker serving several military bases in the same vicinity, the entire military population was vaccinated with immune serum globulin (ISG).
Medical Corps, Israel Defense Force, Rabin Medical Center, Petah-Tiqva, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, and Hadassah Medical School, Jerusalem, Israel. mimouni@post.tau.ac.il