Five Modes of Pathogen Transmission: Airborne, Waterborne, Foodborne, Contact, Vector-Borne

Five Common Transmission Modes

  1. Airborne: Respiratory droplets from cough/sneeze/talk inhaled (flu, measles).
  2. Waterborne: Contaminated water consumed or contacts wounds/mucous membranes (typhoid, cholera).
  3. Foodborne: Pathogens/toxins in food from raw/undercooked items, improper storage, cross-contamination.
  4. Contact: Direct contact with infected person, fluids, contaminated surfaces (fomites).
  5. Vector-borne: Animals (mosquitoes, ticks, fleas) transmit via bites (malaria, dengue, Lyme).

Understanding modes enables effective prevention: hygiene, sanitation, immunization, vector control.

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