4th Grade

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Across
  1. 2. the virus breaks into this
  2. 4. the flu was a ________.
  3. 6. these are signs of a sickness or disease.
  4. 8. close ________________led to a rapid spread of the flu.
  5. 10. the flu
Down
  1. 1. an illness that makes your lungs fill with fluid
  2. 3. the people who survived had a strong ________ system.
  3. 5. something that you are unaware of
  4. 7. a sudden and quick spread of a disease.
  5. 9. a change in form