disease diffusion

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Across
  1. 4. major cause of human induced disease
  2. 5. key factor in all diseases in all directions
  3. 7. time of year when risk increases
  4. 10. this can cause exposure to new vectors
  5. 13. south american high population density areas
  6. 15. key in affecting resilience and vulnerability
  7. 16. reduces temperature and therefore risk in low latitudes
  8. 17. pacific event that can increase risk of wb disease
Down
  1. 1. must be clean to mitigate risk
  2. 2. long term factor to up risk of tropical disease
  3. 3. infectious
  4. 6. age and gender as causation factors
  5. 8. must be effective to reduce risk
  6. 9. more vulnerable due to temporary shelter in new country
  7. 11. vulnerable after migrating within country as new to area
  8. 12. risk increases after such events
  9. 14. no symptoms shown
  10. 18. agricultural practice that can increases risk