ROUTES OF TRANSMISSION Flashcards
4 MAIN ROUTES OF TRANSMISSION
- CONTACT TRANSMISSION
- VEHICLE TRANSMISSION
- AIRBORNE TRANSMISSION
- VECTOR - BORNE TRANSMISSION
TYPES OF CONTACT TRANSMISSION
DIRECT CONTACT TRANSMISSION
INDIRECT CONTACT TRANSMISSION
DROPLET CONTACT TRANSMISSION
DIRECT CONTACT TRANSMISSION includes:
Colonized or Infected Person
Susceptible Person
Direct physical transfer between an infected or colonized person and a susceptible host
DIRECT CONTACT TRANSMISSION
Has a strain of bacteria that have become a part of the person’s normal flora or bacteria
Colonized or Infected Person
A person lacking immunity or resistance, and thus increasing the risk of infection
Susceptible Person
A susceptible host comes in
contact with a contaminated
object
INDIRECT CONTACT TRANSMISSION
Droplets are usually sprayed no
further than 90cm (3 feet)
DROPLET CONTACT TRANSMISSION
One is in close contact if one
is within 90cm of another
person
DROPLET CONTACT TRANSMISSION
Serves as an intermediate means to transport and introduce an infectious agent into a susceptible host
e.g. handkerchief, toys, soiled clothing, utensils and surgical instruments
Vehicle Transmission
Occurs by dissemination of droplet
nuclei or dust particles that contain microorganisms and remain in the
air
Airborne Transmission
An animal, flying or crawling
insects that serves as an
intermediate means of transporting the infectious agent
VECTOR - BORNE TRANSMISSION
