Smallpox
Across
- 3. this person was a test subject for variolation
- 6. this person made the basis of vaccination
- 8. what smallpox usually left behind after it is done
- 9. a way to immunize an uninfected person from smallpox
- 11. a way to immunize someone from a virus or disease
- 12. this symptom is what smallpox was known for
Down
- 1. this is what smallpox was
- 2. where smallpox started
- 4. another word for the smallpox virus
- 5. it spread easily from one another
- 7. 3 out of 10 people had this when infected
- 10. using smallpox as a weapon in the war