types of immunities

This assignment for this module should be a 1-2 page (not including title page and reference page) that describes the following:

1. What are the different types of immunities 
2. Give an example of each type of immunity
3. Describe how stress impacts the immune system

You should include a minimum of 3 scholarly references. Include a title page, in-text citations, and a reference page in APA format.