immune system can be suppressed by medication or illness drugs.Lack of immunity may be present from birth in the form of a genetic disorder (primary immunodeficiency) or be acquired.As a result of the immune deficiency increases a person's susceptibility to infection.
Genetically caused severe weakening of many parts of the immune system.Children with severe combined immune deficiency often die from multiple infections up to a year.In some cases, it may help bone marrow transplant.
As a result of the genetic lack of the immune system synthesizes antibodies insufficient to effectively fight infections.Children with the disease are exposed to frequent infectious lesions of the ears, lungs, nose, eyes and other organs.Treatment involves substituting the missing immunoglobulin antibodies by injection.
(HIV / AIDS) deficit.
HIV infects and destroys immune system cells that fight infections.Because the number of cells of the immune system is reduced, it is constantly increasing a person's susceptibility to infection.
Drugs that suppress the immune system, increase the risk of infection.People taking immunosuppressive drugs for a long time, should be carefully monitored his health in time to detect infectious disease and begin treatment.
After transplantation (e.g., bone marrow) cells of the immune system may attack the graft donor tissue, leading to its rejection.In these cases, corticosteroids and immunosuppressants used for the prevention of organ donor immune cells.
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