Type IV Hypersensitivity

Type IV or Delayed-Type Hypersensitivity (DTH)

22 min readby
Type IV or Delayed-Type Hypersensitivity (DTH)

What is Type IV or Delayed-Type Hypersensitivity (DTH)? Definition of Type IV or Delayed-Type Hypersensitivity (DTH) Type IV or Delayed-Type Hypersensitivity (DTH) is an immune response mediated by T cells rather than antibodies, characterized by a delayed onset (usually 24-72 hours) after exposure to an antigen. It involves the interaction of CD4+ T cells, monocytes, … Read more

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