The bacteria frequently used as an immunomodulator is
Corynebacterium parvum, which is frequently used as an immunomodulator, is a mixture of the Propionibacterium species. Reference: Textbook of Microbiology; Anathanarayan and panicker's; 10th edition; Page no: 246
Corynebacterium parvum
Mycobacterium marinum
Chromobacterium violasium
Flavobacterium meningosepticum
Bacteriology