Saturday, January 9, 2021

Modes of infectious disease transmission

 Modes of infectious disease transmission

An infectious agent may be transmitted from its natural reservoir to a susceptible host in different ways.

There are different classifications for modes of transmission. 

Here is one classification:

A.   General transmission

B.   Human-to-human transmission:


  • Direct
    • Direct contact
    • Droplet spread
  • Indirect
    • Airborne
    • Vehicleborne
    • Vectorborne (mechanical or biologic)

 more in this file


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