Questions about HIV

1. Which cells of the immune system does HIV infect?
2. Does HIV contain DNA or RNA?
3. What is the essential enzyme which HIV also contains?  What reaction does it catalyze.
4. How does the HIV virus get transmitted from person to person?
5. Why is it impossible to catch HIV from a mosquito bite?
6. What is the role of T4 Helper Cells in the immune system.
7. How does the immune system try to destroy the HIV virus?
8. What happens to HIV infected people when they no longer have very many T4 Helper cells?
9. Where in the world are the biggest number of HIV cases?
10. What types of treatment do you know about?