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primary determinant

MAJOR contributing factor, usually a NECESSARY one


factors that make a dz more or less likely, predisposing or enabling


determinants internal to the animal (age, breed, sex)


external to the animal (houseing tx, etc)

if you have to have ____ to get ___ than it's

primary determinant

category C agents

lowest priority:emerging pathogens that could be engineered for dissemination in the future
hantavirus, nipah virus

category B agents

2nd highest priority: easy to disseminate with moderate morbidity and low mortality
Brucellosis, Epsilon toxin of C. prefringens, E.coli/salmonella in food, Burkholderia (glanders, meliodosis), psittacosis(chlamydia), Q fever(coxiella), viral encephalitis and water safety threats

category A agents

risk national security, cause high mortality/panic/require special action.
anthrax, botulism, plague, smallpox, tularemia, viral hemorrhagic fevers& arenaviruses[ebola, marburg, lassa, machupo]

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