The term, ‘vaccination’ originated from vacca which means cow. The term was first used by Edward Jenner who discovered (1798) that cow-pox induced immunity to small-pox in persons artificially inoculated with cow-pox. This process of inducing immunity against small pox came to be known as vaccination which saved millions of human lives since then and […]
Essay on Vaccination | Human Immunology
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Antibodies: History, Nature and Kinds
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In this article we will discuss about Antibodies:- 1. History of Antibodies 2. The Nature of Antibodies 3. Immunoglobulin G or IgG 4. Kinds of Antibodies. History of Antibodies: Von Behring and Kitasato in Berlin in 19th century recognised antibodies in the blood stream of an immunized animal against tetanus and diphtheria. They observed clumping […]
Immunity: Meaning, Determinants and Mechanism
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In this article we will discuss about Immunity:- 1. Definition of Immunity 2. Determinants of Natural Immunity 3. Mechanism. Definition of Immunity: The term immunity (Lat. immunis—freed from homage, save from something) means resistance of the body to the pathogenic microbes, their toxins or to other kinds of foreign substances. In other words, it can […]
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