<prompt> Examples of type I hypersensitivity is -Lepromin testTuberculinCasonis testAhus reaction  <response>: Casoni test is example of type 1 hypersensitivty reaction. Examples of Type I Hypersensitivity Reaction 1. Experiments to demonstrate type I hypersensitivity reaction: P-K reaction, Schultz Dale phenomenon and Theobald smith phenomenon 2. Systemic anaphylaxis 3. Localized anaphylaxis atopy such as: Allergic rhinitis or hay fever Asthma Atopic uicarial Atopic dermatitis allergic eczema Wheal and flare reaction. 4. Parasitic diseasestests: Casoni test hydatid disease Tropical Pulmonary Eosinophilia TPE Loefflers pneumonia Ascaris Ground itch Hookworm Leakage of hydatid fluid Ahus reaction is type III hypersensitivity. Lepromin test and tuberculin test are type IV hypersensitivity. 