Slug rabies virus belongs to the single-strand RNA virus, with the size of 75 × 180nm, the outer layer is the envelope containing liposomes, and the internal is the core of nucleoprotein, which is sensitive to the solvent lipid.

    The virus mainly exists in the saliva and brain tissue of infected animals, make the animal brain tissue to the 10% suspension, injection it in the mouse brain (the suckling mice would be more sensitive) to separate virus, the virus could also infect rabbits, and other experimental animals, and inject rabies virus into the brain may also cause death.