THE FREEZE-DRIED LIVE VACCINE CONTAINS:;A. AT LEAST 10^3 50% CYTOPATHIC DOSES ON A CELLULAR CULTURE OF;MODIFIED CARRE VIRUS ON A CULTURE OF CHICKEN EMBRYO CELLS.;B. AT LEAST 10^2.5 50% CYTOPATHIC DOSES ON A CELLULAR CULTURE OF;MODIFIED HEPATITIS VIRUS.;C. CULTURE OF LEPTOSPIRA CANICOLA AND NON-PATHOGENOUS TEPTOSPIRA;ICTEROHAEMORRHAGIAE.