Brucellosis live vaccine (S19 strain) is suitable for the prevention of bovine brucellosis and has a longer immune period.

Applicable scenarios 

    Brucellosis live vaccine (S19 strain) is mainly used to prevent bovine brucellosis. The vaccine contains the bovine Brucella S19 strain, and the number of live bacteria in each dose of vaccine is 6.0×10¹⁰CFU to 1.2×10¹¹CFU‌.

Immunity period and effect

    The vaccine has an immunity period of 48 months and has a long protective effect. In addition, the S19 strain vaccine is more protective against cattle than other strains, such as ReV1‌.