Types of Immunity and Its Disorders

Natural immunity differs from artificial immunity primarily in the deliberate contact with the causative agent of the disease. If contact occurs unplanned by a person in the case of natural immunity, then artificial immunity is inoculated of its own free will. In addition, with the development of natural immunity, a person can receive antibodies from another person, for example, as a newborn receives through breast milk. In an artificial approach, antibodies are delivered externally, such as by blood transfusion or vaccination. Thus, after getting, for instance, Covid-19 vaccination, the person obtains artificial immunity. It is recommended to develop natural and periodically resort to artificial immunity simultaneously to support health comprehensively.

Homeostatic imbalances of the immune system can be classified into four categories. The first category includes weak innate immunity and is called primary immunodeficiency. In this case, the person lacks crucial white blood cells responsible for the fight against bacteria and viruses (Disorders of the Immune System, n.d.). The second category includes immunodeficiency caused by a specific disease. The immune system is weakened by a virus, bacteria, disease, or certain drugs, such as organ transplants, to prevent rejection (Disorders of the Immune System, n.d.). An overly active immune system forms a third category, which is otherwise called allergic reactions. The most common manifestations of an active immune system are rhinitis, asthma, and eczema, affecting the nasal passages, respiratory tract, and skin. Finally, the last category is called autoimmune diseases, implying the work of the immune system against the human body. The reason for this immune system’s behavior has not yet been studied, but symptomatic diseases are being actively investigated. These include type 1 diabetes and lupus. Autoimmune diseases can attack a person’s tissue, pancreas, or even joints (Disorders of the Immune System, n.d.). These diseases are likely triggered by the cumulative complex of environmental substances and a particular set of human genes.

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Disorders of the Immune System. (n.d.). Web.

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