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Chain of Infection
PATHO TEST 2
| Question | Answer |
|---|---|
| Host | human or animal colonized by pathogen |
| Pathogen | microorganisms capable of causing infectious disease |
| Colonization | pathogen living in host |
| Infection | invasion, colonization, and multiplication of pathogens |
| CHAIN | 1- infectious agent - germ 2- Reservoir - person 3- Portal of Exit - mouth 4- Mode of transmission - hands 5- Portal of Entry - Catheter hole 6 - Susceptible Host - Person at risk |
| Virulence | ability to produce disease |
| Resevoir | pathogen source |
| Vector | "carrier" carry pathogen from resevoir to host Ex: Mosq. |