11: Immune System, Infectious Diseases, and STD’s/STI’s
By the end of this chapter you will be able to:
- List the common types of pathogens (disease causing agents)
- Describe how the Immune system works to fight off infection
- Compare the role of the various types of immune cells
- Explain how vaccines work
- Explain the signs and symptoms of the most common STD’s/STI’s
How does the immune system fight off disease?
What are the different kinds of organisms that cause disease?
What can you do to try to stop the spread of diseases?
How do you know if you have an STD?