Viruses and Vaccines!

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Across
  1. 2. ____ fever
  2. 5. new cases reduce to 0 in a certain area
  3. 6. needed for viral replication
  4. 8. viruses need a ____
  5. 9. 1918 pandemic
  6. 11. boosts antibody production
  7. 14. inactivate virus
  8. 15. protein coat
  9. 16. virus affects the world
  10. 17. genetic material
  11. 18. 2020 pandemic
Down
  1. 1. many sides
  2. 3. complete and permanent reduction to 0 new cases
  3. 4. 20 sides
  4. 7. ___ vaccine by Jonas Salk
  5. 10. commonly used image of a virus
  6. 12. messenger ___
  7. 13. virus affects a certain population