Strain of plague historically spread by fleas (7)
I believe the answer is:
bubonic
(Other definitions for bubonic that I've seen before include "Type of plague" , "A plague of former times" , "(Plague) with swellings" , "Variety of plague" .)
I believe the answer is:
bubonic
(Other definitions for bubonic that I've seen before include "Type of plague" , "A plague of former times" , "(Plague) with swellings" , "Variety of plague" .)