The Great Serum Race
Across
- 3. walk through water
- 6. separate sick people
- 7. signs of illness/disease
- 12. illness spread to many
Down
- 1. mysterious or scary
- 2. dangerous
- 4. medicinal liquid
- 5. difficult situation
- 8. dog sled leaders
- 9. time before dark
- 10. died
- 11. transported material