Fact 1: HIV infects and destroys helper T cells.

Fact 2: Lets Meet the HIV HIV is a new virus.

Given the two facts above, answer the question "What can infect and destroy helper T cells?" with the following options: 
- Q cells
 - Cooking
 - bacteria
 - red blood cells
 - a-a gradients
 - parasites
 - viruses
 - cigarettes


 

       viruses  