1. HIV
Another example of the difficulty of researching the virus is that in order for the scientists to see which strains are the more infectious ones they must study someone who has only been infected for a few months. ... Our knowledge of the HIV virus grows everyday but so does the virus. ... Where did the HIV virus come from? ... HIV-1 is the most common form that infects people and gives them AIDS. ... It is in the interest of the virus to not kill the host because if the host dies the virus dies too. ...
- Word Count: 848
- Approx Pages: 3
- Grade Level: High School