Type I: Allergy and anaphylaxis

Type II: Cytotoxic and complement-mediated

Type III: Immune complex

Type IV: Delayed-type hypersensitivity

References

1. McDaniel, B. (2014, November 24). Type 1, 2, 3 & 4 Hypersensitivity. Retrieved from Stomp on Step 1, http://www.stomponstep1.com/hypersensitivity-type-1-2-3-4-urticaria-anaphylaxis-immune-complexes-i-ii-iii-iv/.
2. Ghaffar, A. Hypersensitivity reactions. Retrieved from Microbiology and Immunology On-line, http://www.microbiologybook.org/ghaffar/hyper00.htm.