Unit 1 Week 4- The Great Serum Race

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Across
  1. 3. mysterious
  2. 5. signs of illness or disease
  3. 6. the act of separating people who have a contagious disease
  4. 9. died
  5. 12. an illness that spreads and affects a lot of people
Down
  1. 1. the time when the sun is beyond the horizon
  2. 2. a medicinal liquid used to battle an illness
  3. 4. people who are in charge or sled dogs
  4. 7. difficult; dangerous
  5. 8. to walk through water
  6. 10. a struggle
  7. 11. materials transported in a train or vehicle