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A-Level Biology OCR A

Factors Transmission Affect Diseases Poor Vectors Describe Communicable

Front Describe 7 factors that affect the transmission of communicable diseases in animals.
Back Factors that affect transmission in animals:
  • Overcrowded living and working conditions
  • Poor nutrition
  • Compromised immune system
  • Poor disposal of waste providing breeding site for vectors
  • Climate change - introduce new vectors and diseases by increasing temperature
  • Culture and infrastructure - traditional medical practises increase transmission
  • Socioeconomic factors - lack of trained health workers

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