Infectious Disease Crossword Puzzle

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Across
  1. 4. A serum with antibodies to help fight the virus
  2. 8. The first infected with the virus
  3. 9. The original carrier of the virus, who has the antibodies
  4. 10. A period of time between the time a patient was exposed, and when symptoms occur
Down
  1. 1. Biological substances that are a hazard or threat to living organisims
  2. 2. The name of the virus
  3. 3. A way the virus travels, typically throughout the air
  4. 5. The capability of someone to cause death
  5. 6. A virus that spreads just in a country
  6. 7. A strain of the virus, typically new