| A | B |
| virus | made of a protein layer and RNA |
| host cell | a living cell in which a virus reproduces |
| vaccine | Used to prevent humans from getting a virus |
| active virus | A virus that enters a cell and immediately starts to reproduce |
| latent virus | A virus that enters a cell and links to the DNA and does not reproduce until later |
| CDC | United States Centers for Disease Control |
| jump species | to go from one species to another |
| nucleic acid | the NA in DNA and RNA |
| ebola | bleeding out- breaks down cell membrane |
| mutate | when the RNA in a virus changes |
| microbiologist | someone who studies very small organisms |
| gene therapy | helping to cure sickle cell anemia |
| interferon | this blocks the reproduction of a virus |
| white blood cell | a part of our body that fights disease |
| Edward Jenner | made the first vaccine from cowpox |
| cold sore | herpes virus and is a latent virus |
| mad cow disease | caused by prion and attacks nervous system |
| Latin word for virus | poison |
| shape, organism it attacks, type of nucleic acid | way to classify virus |
| virus get their names by | the place where they are first found |