Figure. Number of patients (shown in boldface) diagnosed with human alveolar echinococcosis at the Hospital of Tuberculosis and Infectious Diseases, Vilnius University, from 1997 through July 2006 in districts of Lithuania. No. Echinococcus multilocularis–positive/no. red foxes (Vulpes vulpes) (shown in italics) investigated during 2001–2004 is indicated for some of the districts.