What is first in the chain of infection?
Portal of Exit
Infectious Agent
Resevoir Host
Susceptible Host
What are examples of infectious agents?
Bacteria, virus, fungus
human body, virus, mouth
air, virus, fungus
food, bacteria, virus
What are the ways to break the infectious agent out of the chain?
neutralize/destroy by treatment, early recognition, rapid accurate identification of organisms
hygenine, disinfect
there are no ways
proper food handling
2nd link in the chain?
Portal of entry
Mode of transmission
