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19 Cards in this Set

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john snow
1854, cholera transmitted by contaminated water
non-communicable
not direct person-person, caused by normal flora, ingestion of toxins, envt
communicable
person(vector)-person
endemic
low and constant level
epidemic
level above usual
pandemic
widespread in region/world
infection
multiplication of org in host
disease
clinically apparent response of host to infection
carrier
indvl with subclinical infection
reservoirs
only mammalian carriers
zoonoses
primarily in wild/domestic animals can be transmitted by bite, food, fur, etc
incubation period
time btwn exposure and 1st symptom
infectivity
freq that infection transmitted
pathogenicity
#develop disease/#infected
virulence
#fatal/total
incidence
new cases/pop
prevalence
total cases/pop in certain time
botulism
people eat contaminated food so no secondary spread
nosocomial
hospital acquired infection