Development of both immune and allergic reactions is based upon the same mechanisms of immune system response to an antigen. What is the main difference between immune and allergic reactions?

Answer options

1. Routes by which antigens are delivered into the body
2. Hereditary predisposition
3. Antigen structure
4. Amount of released antigen
5. Development of tissue lesion

Explanation

There’ll be the development of lesions in allergic reactions, e.g rashes.