Across
- 3. what does our body produces in order to fight the diseases?
- 5. the vaccine that uses necessary parts of the germ is called ...
- 6. herd immunity can be achieved by ...
Down
- 1. the percent of the immune population needed for having herd immunity is called herd immunity ...
- 2. the MMR vaccine is a ... vaccine
- 4. what do you gain after getting sick from a disease?