| Rating | Solver | Clue |
|---|---|---|
| BACTERIUM | Disease organism | |
| INFECTED | A person affected with a disease causing organism | |
| PATHOGENIC | Of or pertaining to pathogeny; producting disease; as, a pathogenic organism; a pathogenic bacterium. | |
| VIRUS | The special contagion, inappreciable to the senses and acting in exceedingly minute quantities, by which a disease is introduced into the organism and maintained there. | |
| PATHOGENE | ...eria found in the tissues and fluids in infectious diseases, and supposed to be the cause of the disease; a pathogenic organism; a pathogenic ... | |
| VACCINE | Any preparation used to render an organism immune to some disease, by inducing or increasing the natural immunity mechanisms. Prior to 1995, su... | |