Pandemics and biological disasters

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Across
  1. 4. Type of transmission where a pathogen passes straight from one individual to another without intermediary
  2. 6. Type of transmission that requires an intermediary to reach a new host
  3. 7. Living organism in which a pathogen lives and reproduces
  4. 9. Rapid spread of a disease confined to a particular region or community
  5. 10. Disease caused by the Plasmodium parasite transmitted through mosquito bites
  6. 13. Microscopic organism capable of causing disease in a host
  7. 14. Prevention strategy that targets a specific link in the transmission chain
  8. 16. Type of impact referring to the effect of an event on living organisms and ecosystems
  9. 18. Type of response the body uses to defend itself against a pathogen
  10. 20. Parasite that completes part of its life cycle inside the Anopheles mosquito
Down
  1. 1. Tiny particles released by coughing or sneezing that carry pathogens
  2. 2. Disease spread across multiple countries or continents affecting a large proportion of the population
  3. 3. Type of pathogen that caused the Black Death
  4. 5. Disease primarily transmitted through contaminated water
  5. 8. Type of transmission from a pregnant person to a fetus
  6. 11. Mosquito species that acts as a biological vector for the Plasmodium parasite
  7. 12. Arthropod that picks up a pathogen and delivers it to another organism
  8. 15. The journey of a pathogen from one host to another
  9. 17. Type of disease caused by the Spanish Flu of 1918
  10. 19. Contaminated object or surface that carries a pathogen