From the Spanish Flu to Covid ... What next?

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Across
  1. 3. What you are when you are no longer sick
  2. 4. A plague that swept London in 1665
  3. 6. Smallpox was this
  4. 10. The virus that caused the 2002-2003 outbreak (abbreviation).
  5. 12. This disease was eradicated by a vaccine in 1980.
  6. 13. This is caused by the Ebola virus (two words).
  7. 16. a combination of DNA from two different sources
  8. 17. The virus responsible for the 1918 pandemic (two words).
  9. 18. Protect hands from transferring viruses
  10. 20. A theory that supposed disease was caused by bad air
  11. 22. Where the COVID-19 pandemic started.
Down
  1. 1. A drug that helps stop the replication of bugs in the immune system
  2. 2. Another word for “quaranta giorni”
  3. 4. Something everyone should have yearly to prevent the flu or Covid
  4. 5. The term for a disease that spreads across countries or continents.
  5. 7. This was done socially to keep people apart
  6. 8. The term for a disease that spreads within a community.
  7. 9. This virus caused a global pandemic starting in 2009 (two words).
  8. 11. Used in the early “beak” masks
  9. 14. The term for a widespread outbreak of a disease.
  10. 15. Worn to prevent droplet infection spread
  11. 19. This antigen test for Covid was
  12. 21. The international health organisation headquartered in Geneva (abbreviated)