[The Italian experience in the control of rabies. II. Laboratory research].

Diagnoses of rabies have been performed at the Zooprophylactic Institutes of Brescia and Padua since 1977, 5,765 foxes have been examined and 1,805 (31.30%) resulted positive. The same Institutes have performed also the laboratory tests in order to control the presence of Tetracycline, the serum conversion and the presence of wild or attenuated viruses in the nervous tissue of foxes and other wild animals in occasion of the oral vaccination campaigns of foxes.