chain of infection Flashcards
who can be a susceptible host
elderly
infants
immunocompromised
ANYONE!
what can be a pathogen/causative agent/ infectious agent
bacteria
virus
fungi
parasite
what are portals of entry
eyes
mouth
nose
cuts in skin
what can be a reservoir
people
animals
soil
food
water
what are the modes of transmission
direct contact
indirect contact
vectors
what are the portal of exits
coughing/sneezing
bodily secretions
feces
what is the order of the chain of infection
pathogen
reservoir
portal of exit
mode of transmission
portal of entry
susceptible host
how can we break the chain of a susceptible host
immunizations
treatment of underlying disease
health insurance
patient education
how can we break the chain of an infectious agent
diagnose and treat
antimicrobial stewardship
how can we break the chain of reservoir
cleaning, disinfection, sterilization
infection prevention policies
pest control
how can we break the chain of portal of entry
hand hygiene
PPE
personal hygiene
first aid
remove catheters and tubes
how can we break the chain of mode of transmission
hand hygiene
PPE
Food safety
cleaning, disinfection, sterilization
isolation
how can we break the chain of portal of exit
hand hygiene
PPE
control of aerosols and splatter
respiratory etiquette
water disposal
what is a reservoir
place where microorganisms survive,
multiply, and await transfer to a susceptible host
who are the frequent reservoirs for HAIs
health care workers, especially their
hands; patients; equipment; and the environment
