pandemic: The Deadly flu of 1918

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Across
  1. 3. the opposite of sanitary
  2. 5. A protein the body makes to defend itself
  3. 7. A sudden appearance of a disease which starts with o
  4. 10. A amount of time were a infected person is isolated from others who can be infected
  5. 11. A type of a virus starting with I
  6. 12. something infectious that can only live in humans, animals or bacteria
Down
  1. 1. A substance used to provide immunity to against a disease
  2. 2. A outbreak of a disease across a country or the world
  3. 4. the end of life
  4. 6. A contagious disease starting with p
  5. 8. opposite of safe
  6. 9. A person getting medical help by a doctor/ nurse