antigen

Stages and Features of Antigen-Antibody Reactions

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Stages and Features of Antigen -Antibody reaction

Introduction The combination of antigens (Ag) and antibodies (Abs) occur specifically and in observable manner. There is various usefulness of this type of reaction. Some of them are: A basis for the formation of antibody mediated immunity Helps generally during the cases of infectious diseases. Besides, in tissue injury related to some types of hypersensitivity … Read more

Vaccine and its types

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Vaccine and its types

INTRODUCTION OF VACCINE Vaccine is a liquid chemical substance, which is used to stimulate an immune response in the body. It contains modified, inactivated or killed pathogens or their antigens. It is administered orally or injected in the body to stimulate the active immunity. Immunity is defined as the ability of a body to resist … Read more