[Dependability of the immune system and the problem of secondary immunologic deficiency]

Based on the own materials and reported data the author defines the reliability of the immune system, regards possible mechanisms that ensure the reliability. Acquired immunodeficiency is viewed as the result of a decrease of the reliability of the immune system. The author defines the acquired immunodeficiency syndrome, bases the clinical and laboratory criteria for diagnosing the acquired immunodeficiency syndrome. Describes the principles of the treatment of the acquired immunodeficiency syndrome.