Biological therapy

n. (Medicine) treatment using substances for stimulating the body's immune system to fight infections and cancer or other diseases

The term immunotherapy incorporates an array of strategies of treatment based upon the concept of modulating the immune system to achieve a prophylactic and/or therapeutic goal.
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Therapy /ther·a·py/ the treatment of disease; see also treatment. ablation therapy the destruction of small areas of myocardial tissue, usually by [more]Biological therapy - Community and Resources

Treatment to stimulate or restore the ability of the immune (defense) system to fight infection and disease. Also called immunotherapy.

[by-oh-LAH-jih-kul THAYR-uh-pee]
Treatment to stimulate or restore the ability of the immune system to fight infections and other diseases. Also used to lessen certain side effects that may be caused by some cancer treatments. Also called immunotherapy, biotherapy, or biological response modifier (BRM) therapy.