| A | B |
| microbe | another word for creatures that are too small to be seen with the human eye. |
| field of view | The area where we can see what is being magnified. |
| magnify | to increase the size |
| infectious | Something that can be passed from one person to another. |
| disease | A breakdown in the structure or function of a living organism. |
| carrier | Those who have a disease but do not display symptoms. |
| epidemiologist | Scientists who trace the spread of a disease through a population. |
| quarantine | isolate |
| vector | An organism (animal, bug) that spreads disease- causing germs usually without getting sick itself. |