Type IV (Cell Mediated) Hypersensitivity- Mechanism and Examples

Type IV (Cell Mediated) Hypersensitivity- Mechanism and Examples

Hypersensitivity refers to increased reactivity or exaggerated immune response of a host to an antigen to which it has been previously exposed. According to the most widely accepted classification of Gell and Coombs, there are four main types of hypersensitivity reactions as type I, II, III and IV. Type I, II and III are immunoglobulin-mediated … Read more Type IV (Cell Mediated) Hypersensitivity- Mechanism and Examples