| A | B |
| severe | very strict. |
| perish | be destroyed; die. |
| poisonous | containing poison. |
| sickness | illeness; poor health. |
| quarantine | keep away from others for a time to prevent the spread of an infectious disease. |
| vaccination | act or process of vaccinating. |
| diptheria | an often fatal disease of the throat that attacks children especially. |
| seldom | rarely; not often. |
| cell | a small room in a prison, convent, or monastery. |
| bacteria | very tiny and simple plants, so small that they can usually be seen only through a microscope. |
| fever | body temperature that is greater than usual. |
| distress | great pain or sorrow. |
| grim | stern; harsh; fierce; without mercy. |
| suspicious | causing one to suspect. |
| hasty | quick; hurried. |
| immense | very big; huge; vast. |
| germ | a simple animal or plant, to small to be seen without a microscope. |
| frantic | very much excited; wild with rage, fear, pain, or grief. |
| horrible | causing horror; frightful; shocking. |
| disaster | event that causes much suffering or loss; great misfortune. |