B.C.G. (Bacille Calmette–Guérin) vaccine was first produced in 1906 and subcultured for 13 years. It was first used as a prophylactic against tuberculosis in children in 1921. It remained in use in 2020. See also No. 2346.
Subjects: BACTERIOLOGY › BACTERIA (mostly pathogenic; sometimes indexed only to genus) › Gram-Positive Bacteria › Mycobacterium › Mycobacterium bovis, IMMUNOLOGY › Immunization, INFECTIOUS DISEASE › Tuberculosis