[Frequency of antibodies towards brucella in subjects of different ages not having specific infection and with the disease in course (author's transl)].

Results showing the frequency of anti-Brucella antibodies in subjects of different ages without specific infection are presented first. This frequency was not significant in percentage nor titer. Onlwy 3.12% and 1.88% of the subjects examined had a greater titer respectively of 1 : 20 and 1 : 40. In subjects positively affected by specific infection the agglutination titer of 1 : 80-1 : 100 con be considered valid in the diagnosis of Brucellosis.