Week 7 Y Flashcards
pathogen
an organism participating in a parasitic
interaction i.e. an organism that causes disease.
colonisation
growth of any microorganism within a host.
infection
growth of a pathogen within a host with
concomitant damage to the host.
direct damage
Production of toxins that kill/damage cells
Bacterial endotoxins
Protects bacteria from chemical attacks
indirect damage
action of host to eliminate microbial invader
results in self-damage
Resevoir
Natural habitat of a pathogen
Source
Immediate location of host prior to infection
Air
Respiratory droplets
Direct contact
Bodily fluifd or blood
Vehicle
Water food or air
Vector
Mosquitoes or ticks can carry pathogens
controls directed against the source
CAUTI
Carheter associated urinary tract, caused by s aereus
CLABSIS
central line associated blood stream infections, affects heart vessels