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Immunology is a branch of science that deals with study of immune system (immune organs, cells and molecules) in an organism, its physiological function in states of both health and diseases ( hypersensitivities, immune deficiency, transplantation); the physical, chemical and physiological characteristics of the components of the immune system. Immunology has applications in several disciplines of science, and as such is further divided.

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Alyaa Ahmed Farid, born on 15 August 1978, Cairo, Egypt. B.Sc in Chemistry- Zoology, M.Sc& Ph.D in Immunology. Lecturer of Immunology, Faculty of Science, Cairo University.

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