Hypersensitivity, Overview of the 4 Types, Animation.

(USMLE topics) Basics of hypersensitivity, symptoms, causes, summary of mechanisms of action the 4 types. This video is available for instant download licensing here Voice by: Ashley Fleming ©Alila Medical Media. All rights reserved. Support us on Patreon and get early access to videos and free image downloads: All images/videos by Alila Medical Media are for information purposes ONLY and are NOT intended to replace professional medical advice, diagnosis or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition. Hypersensitivity refers to abnormal reactions of the immune system against certain antigens. It includes exaggerated reactions to otherwise harmless environmental antigens, commonly known as allergies;