What can infect and destroy helper T cells?
Q cells Cooking bacteria red blood cells a-a gradients parasites viruses cigarettes
A B C D E F G H
Lets Meet the HIV HIV is a new virus.
viruses can infect and destroy helper T cells
What can infect and destroy helper T cells? (A) Q cells (B) Cooking (C) bacteria (D) red blood cells (E) a-a gradients (F) parasites (G) viruses (H) cigarettes