Infectious disease 3

Plague (Y. pestis), presenting as acute lymphadenopathy in its
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Terms in this set (13)
Y. pestis flea colonization:multiplies in the flea forming a mass that blocks the proventricular valveY. pestis blocked fleas are defective at ingesting blood and so Blocked fleas attempting to take a blood mealregurgitate blood mixed with Y. pestis into the host dermisthe 19th century plague was lessened bymassive rat culling which destroyed bridging vector so although primary vector was killed plague cases were reduced