Immunology and Virology Diseases

Virus interactions

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Infections of multicellular animals are complicated by the variety of cell types present in an individual and the possession of an elaborate system.

Immune system that defends the organism against infection there are two types of host response to virus infection.

Innate immunity

Adaptive Immunity

Adaptive immunity is a defence system that is not ready to act until it is activated by infection; epitope-specific B and T lymphocytes are stimulated to divide furiously and differentiate into effector cells and memory cells upon encountering specific antigen.

Innate immunity is the first line of defence and is possessed in some form by all animals. It is composed of soluble components and cells.

Example: Interferon’s, Cytokines, Chemokine’s, Complement etc.