Across
- 3. a famous mathematical function
- 5. a mass quarantine to control disease
- 6. a decrease
- 8. to peak
- 9. to become established
- 11. zero
- 13. vulnerable
- 14. an outbreak
Down
- 1. a group of people
- 2. to decrease
- 4. maintaining space between people
- 7. it can be arithmetic or geometric
- 10. an alert level
- 12. a medication that protects against viruses
- 15. resistant to a disease