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wellness exam

wellness exam
STUDY
PLAY
infection
an invasion of body tissues by microorganisms that use the bodys environment to multiply and spread disease
pathogen
disease-causing agent
reservoir
the natural environment for any particular pathogen, where it accumulates in large numbers.
links in the chain
pathogen, reservoir, portal of exit, transmission, portal of entry, new host
indirect transmission
Touching contaminated objects
Breathing airborne pathogens
Bites from infected insects
Drinking or eating contaminated water or food