Scenario question (Biology Expert)

1.What is the single most important action that you can take to prevent developing an infectious disease? Why?

1.First, explain to Alex in your own words how the immune and integumentary systems work together to prevent      and respond to disease and how HIV alters the body’s ability to protect  itself

2.Then, explain using the chain of  infection, how a virus like HIV could have infected him.

3. How is it that an opportunistic infection was able to develop?  Why Kaposi’s Sarcoma?

4.Lastly, Alex is concerned about  possibly infecting someone else with the virus, explain to him how he can help prevent it

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