Across
- 2. bacteria
- 5. time period
- 6. many people sick in same time
- 10. treat
- 11. way to do
- 12. 100 years
Down
- 1. body system protect against virus
- 3. illness
- 4. bacteria, viruses in a body that causes illnes
- 7. difficulty
- 8. you get that every year to protect you body from that virus
- 9. you know about that but it's no good reason for that