Mention any three ways through which pathogens are transmitted.


Pathogenic microorganisms infect other living organisms either directly or indirectly. They can be viruses, bacteria, fungi, protozoa, etc.

Modes of transmission of pathogenic microorganisms:

  1. They can be spread by touching objects related to an infected person.
  2. They can be spread by contacting fluid of infected person like saliva, blood, sweat, urine, etc.
  3. They can be spread through cough or sneezing of the infected person, and pathogenic droplets spread in the air thus inhaled by healthy organisms.

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