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
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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