plague： infectious fever caused by the bacterium yersinia pestis, carried by the rat flea. it usually spreads to humans only when the flea runs out of rodent hosts.
plague： infectious fever caused by the bacterium yersinia pestis, carried by the rat flea. it usually spreads to humans only when the flea runs out of rodent hosts.
鼠疫:由鼠疫耶尔森氏菌所致的发热性传染病，通过鼠蚤传播。仅在蚤类跑出啮齿宿主时才向人类传播。