Minimum of 2 major M. tuberculosis bands by immunoelectrophoresis (gamma & beta). This antiserum has not been adsorbed and may react with related microorganisms. Reactive with other Mycobacteria species including M. avium, M. phlei and M. parafortuitum. Cross-reactive with Rhodacoccus sp. Antibody is non-reactive with E. coli K12, Salmonella typhimurium, Pseudomonas aeruginosa, Streptococcus (group B), Candida albicans and Neisseria meningitidis.

Short term (up to 6 months) store at 2-8 °C under subdued light. Long term, aliquot and store at -20 °C. Avoid multiple freeze/thaw cycles.