Plague Flashcards
the 3 plague pandemics
justinian plague, “Black Death” in china, and 1860s modern china
yersinia pestis
transmitted by fleas; zoonosis of wild rodents
select agent category a:
pose a risk to national security, easily disseminated or transmitted, high mortality rate
yersinia pestis transmission
normal reservoir in wild rodents; a flea that’s infected could bit the rodent or spread through fluids and then infect the rodent; the infected flea bites a rat, then it either dies of infects another flea that then infects a human
___ can be infected
dogs and cats
only need ___ cells to infect
10
can get septicemic plague from ___
bubonic plague
sylvatic
enzootic, endemic in rodent populations, still endemic in the US
bubonic
swelling of the lymph nodes, cells eventually enter the blood stream, most common
pneumonic
lungs
septicemic
blood
bubonic symptoms
swelling of the lymph nodes, gangrene, death can occur in <2 weeks
bubonic incubation period
2-6 days
pneumonic symptoms
coughing, chest pain, hypotension, 100% mortality if not treated
pneumonic incubation period
1-3 days