Tag: Atypical

  • Mycobacteria, called atypical

    Mycobacteria, called atypical

    HISTORY: – From 1880 to 1900 are described in humans bacilli of leprosy and tuberculosis; other acid-fast bacilli are also observed in animals. In 1885 is described in humans, the “smegma bacillus”, currently named Mycobacterium smegmatis. – Between 1900 and 1950, Mycobacteria “nontuberculous” are observed in humans from various samples (tonsils, skin, pleural fluid, sputum,…