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bubonic plague smear demonstrating the presence of yersinia pestis bacteria
yersinia pestis bacteria which was grown on a medium of sheeps blood agar
yersinia pestis bacteria bacteria plague
yersinia pestis bacteria bacteria at a temperature of 25 degrees celsius
y pestis is transmitted from rodent to rodent by infected fleas xenopsylla cheopis
y pestis is the cause of plague and is transmitted within an infected rodent populatio
temperature of 37 c y pestis bacteria cause the infectious disease known as plague1
when bubonic plague is left untreated yersinia pestis bacteria invade the bloodstream
temperature of 37 c y pestis bacteria cause the infectious disease known as plague
plague caused by a bacterium called yersinia pestis
petri dish containing sheeps blood agar medium which had been inoculated with yersinia pestis bacteria
inoculated with gram negative yersinia pestis bacteria y pestis
gram negative yersinia pestis bacteria grown rown on a medium of chocolate agar after 72 hours
gram negative yersinia pestis bacteria at a temperature of 37 degrees celsius