| A | B |
|---|
| vaccine | made of dead or weakened germs |
| antibody | a chemical in the blood that kills germs |
| flu | people who have chills and body aches have the ... |
| fever | A rise in body temperature |
| cold | If you have a runny nose you may have a ... |
| disease | another name for sickness |
| chicken pox | a disease with red spots on the skin |
| virus | the smallest kind of germ |
| germs | very small living things |
| bacteria | can have three shapes |
